Answers
Answer:
Prey leads predators
Explanation:
if the prey goes up predators goes up
if the prey goes down predators go down this is because with a small amount of prey the predators have less to eat and die off but of there is a lot then exponential growth happens with the predators until the prey goes down creating a loop
Related Questions
15. Two Siamese and three Persian cats survive a shipwreck and are carried on driftwood to a previously uninhabited tropical island. All five cats have normal ears, but one carries the recessive allele for folded ears (his genotype is Ff). Calculate the frequencies of alleles F and f in the cat population of this island. If you assume Hardy-Weinberg equilibrium for these alleles (admittedly very improbable), about how many cats would you expect to have folded ears when the island population reaches 16,000?
Answers
p + q = 1
where p is the frequency of the F allele and q is the frequency of the f allele. Since the population is small and we know the genotype of one of the cats, we can calculate the frequency of the f allele directly:
f = sqrt(q^2) = sqrt(1/5) = 0.447
Since the f allele is recessive, we can use the Hardy-Weinberg equation to calculate the frequency of the FF genotype (normal ears) as:
p^2 = 1 - 2pq - q^2 = 1 - 2(0.553)(0.447) - (0.447)^2 = 0.307
The frequency of the Ff genotype (normal ears) is given by:
2pq = 2(0.553)(0.447) = 0.494
The frequency of the ff genotype (folded ears) is:
q^2 = (0.447)^2 = 0.200
To estimate how many cats would have folded ears when the island population reaches 16,000, we can use the Hardy-Weinberg equation and assume that the population is in equilibrium:
p^2 + 2pq + q^2 = 1
The total number of cats with folded ears (ff genotype) would be expected to be:
ff = q^2 x 16,000 = 0.200 x 16,000 = 3,200
Therefore, we would expect about 3,200 cats to have folded ears in the island population when it reaches 16,000, assuming Hardy-Weinberg equilibrium. However, it is important to note that this assumption is unlikely to hold true in reality, as the small population size and genetic drift could lead to deviations from the expected frequencies.
Converter - 10 °F 0°C
Answers
0 degrees Celsius is equivalent to 32 degrees Fahrenheit.
How to solveTo convert 10 degrees Fahrenheit to Celsius, you can use the formula:
Celsius = (Fahrenheit - 32) / 1.8
Plugging in the value of 10 degrees Fahrenheit, we get:
Celsius = (10 - 32) / 1.8
Celsius = -22 / 1.8
Celsius ≈ -12.22
Therefore, 10 degrees Fahrenheit is equivalent to approximately -12.22 degrees Celsius.
On the other hand, 0 degrees Celsius is equivalent to 32 degrees Fahrenheit. This can be determined by using the formula:
Fahrenheit = (Celsius * 1.8) + 32
Plugging in the value of 0 degrees Celsius, we get:
Fahrenheit = (0 * 1.8) + 32
Fahrenheit = 32
Therefore, 0 degrees Celsius is equivalent to 32 degrees Fahrenheit.
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Question 3 (5 points)
Tommy comes home from a long day at school and opens his laptop to unwind. He
looks at his best friend Jack's social media profile and sees both negative and
positive pieces of Jack's digital reputation. From Jack's profile, which post is an
example of Jack's positive digital reputation?
A picture of Jack that shows him pouring alcohol for a friend
O A comment that says, "Congratulations, Bill, on getting the award. You deserve
it!"
A comment about last night's game that includes inappropriate language
A music video for a recent rap song with inappropriate words and images
Answers
An example of Jack's positive digital reputation from his profile is a comment that says, "Congratulations, Bill, on getting the award. You deserve it!" (option B).
What is digital reputation?Digital reputation is the digital footprint created by all the things you say and do online, as well as what others post about you.
The people and sites one follows, the content one posts, likes or shares, and the comments one makes, all contribute to ones digital reputation.
According to this question, Tommy looks at his best friend, Jack's social media profile and sees both negative and positive pieces of Jack's digital reputation. The positive digital reputation is as mentioned above.
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In DNA recombination, what is created when the DNA is opened up at the restriction site?
Responses
A double-stranded DNAdouble-stranded DNA
B RNARNA
C sticky ends
Answers
Answer:
C. Sticky ends.
Explanation:
C. Sticky ends.
When the DNA is opened up at the restriction site during DNA recombination, the enzyme creates a double-stranded cut leaving short, single-stranded overhangs called sticky ends. These sticky ends can base pair with complementary sticky ends generated by the same restriction enzyme on another DNA molecule, allowing the two DNA molecules to be joined together. This process is used in DNA cloning and other genetic engineering techniques.
14. You get a rare opportunity to study the Venezuelan poodle moth. This insect is named so as it looks like a poodle coat was put on a moth. The coat color of this rodent varies between white (dominant) and brown (recessive). Assume the population is in Hardy-Weinberg equilibrium. You observed 362 tan poodle moths and 138 brown poodle moths during your study.
Answers
p^2 + 2pq + q^2 = 1
where p is the frequency of the dominant allele (white coat) and q is the frequency of the recessive allele (brown coat). The equation states that the frequencies of the two alleles in the population must add up to 1, and that the frequencies of the three possible genotypes (white-white, white-brown, and brown-brown) must also add up to 1.
We can use the observed frequencies of the two coat colors to estimate the frequencies of the two alleles. Let's assume that the brown coat color is caused by a recessive allele, so q^2 represents the frequency of the homozygous brown-brown genotype. Then, we can set up the following equations:
q^2 = 138/500 = 0.276
p^2 + 2pq + q^2 = 1
p^2 + 2p(1-p) + 0.276 = 1
p^2 - 2p + 0.276 = 0
We can solve this quadratic equation for p using the quadratic formula:
p = [2 ± sqrt(4 - 4(0.276))]/2 = [2 ± 0.874]/2 = 1.437 or 0.563
Since p represents the frequency of the dominant allele (white coat), it must be less than 1. Therefore, we can discard the root p = 1.437 and conclude that:
p = 0.563
q = sqrt(0.276) = 0.526
These allele frequencies can be used to calculate the expected frequencies of the three genotypes:
white-white: p^2 = (0.563)^2 = 0.317
white-brown: 2pq = 2(0.563)(0.526) = 0.593
brown-brown: q^2 = (0.526)^2 = 0.276
We can compare these expected frequencies to the observed frequencies to test whether the population is in Hardy-Weinberg equilibrium. Let's use a chi-squared test with one degree of freedom:
χ^2 = Σ[(observed - expected)^2 / expected]
= [(362 - 317)^2 / 317] + [(138 - 276)^2 / 276]
= 5.70
The critical value of the chi-squared distribution with one degree of freedom and a significance level of 0.05 is 3.84. Since our calculated value of 5.70 is greater than the critical value of 3.84, we can reject the null hypothesis that the population is in Hardy-Weinberg equilibrium. This suggests that there may be some evolutionary forces at work, such as genetic drift, migration, mutation, or selection, that are causing the allele frequencies to deviate from the expected values.
Write two sentences to describe one similarity and one difference between personal and national budgets
(here's the passage if needed. i know its not much)
Answers
College Biology help please
Answers
Gene regulation through evo-devo mechanisms affects the number, size, shape, and identity of flower petals.
What are the methods of gene regulation in flower petals?Gene regulation controls flower petal morphology through the process of gene expression, which is regulated by various evo-devo mechanisms.
The two main evo-devo mechanisms involved in regulating flower petal morphology are cis-regulatory elements and homeotic genes.
Cis-regulatory elements control the timing and location of gene expression by binding to transcription factors that activate or repress gene expression. These elements affect the number of flower petals, as well as their size and shape. For example, if a cis-regulatory element is activated during flower development, it can cause the formation of additional petals or change the shape of the petals.
Homeotic genes, on the other hand, control the identity of flower organs, such as petals, stamens, and sepals, by regulating the expression of other genes. Mutations in homeotic genes can lead to the transformation of one type of organ into another. For example, if a homeotic gene responsible for producing petals is mutated, it may result in the production of sepals instead of petals, or it may change the size or shape of the petals.
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The left atrium receives blood from the
Answers
Answer:
I got you
Explanation:
it receives blood from the heart
What other process can you think of that is similar to the journey of a signal through the neuron?
Answers
The process that is similar to the journey of a signal through the neuron is is how the information is been transimitted through an electrical wire.
How do you think a signal travels from one neuron to another?When there is communication between the neurons, the neurotransmitters from one neuron are released, and this help to attched tothemselves to special molecules which is regarded asthe receptors.
It shuld be noted that the Receptors receive as well as process the message which is nee sent to the available next neuron. howeve rthe Synaptic transmission srves as one at the synapses by which a chemical signal is released this is the same as transimiision of electric between wires.
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Which is the most common theme among several of the theories O water O volcanic energy O electrical energy Ospace
Answers
The most common theme among several of the theories listed is energy. Volcanic energy and electrical energy are both forms of energy, while water and space are not forms of energy but can be associated with energy in various ways. Hence options B and C are correct.
For example, water is often used to generate hydroelectric power, which is a form of energy. Space, on the other hand, is often studied in the context of astrophysics and the study of energy in the universe, such as dark matter and dark energy.
Therefore, while all of the options listed may be important and relevant in different fields of study, energy is a common theme that ties together several theories across different disciplines.
Hence options B and C are correct.
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three do you think are the most important and why?
Answers
Answer:
there is nothing there
Explanation:
can someone help me with this problem?
Answers
Click all that is true. The functions of proteins are:
transport important things in your body
build the structures of your body
enzymes to make chemical reactions go faster
send messages to cells
make antibodies to fight viruses
Answers
Answers:
2. build the structures of your body
3. enzymes to make chemical reactions go faster
5. make antibodies to fight viruses
The functions of proteins are:
transport important things in your body build the structures of your body enzymes to make chemical reactions go fastersend messages to cellsmake antibodies to fight virusesWhat are the properties of protein?Proteins are organic macromolecules made up of amino acids joined by peptide bonds. They have a complex and diverse structure and play many essential roles in the body. Some of the properties of proteins include:
Structural diversity: Proteins have a highly diverse structure, which is important for their many functions.
Amino acid composition: Proteins are made up of different combinations of 20 different amino acids.
Size: Proteins can vary greatly in size, from small peptides to large multi-subunit complexes.
Shape: Proteins can have complex 3D shapes that are critical to their function.
Solubility: Proteins can be either soluble or insoluble in water, depending on their structure and composition.
Stability: Proteins can be stable or unstable under certain conditions, such as changes in temperature, pH, or salt concentration.
Function: Proteins have a wide range of functions in the body, including structural support, enzyme catalysis, transport, and communication.
Denaturation: Proteins can lose their structure and function when exposed to certain physical or chemical conditions, a process known as denaturation.
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2 Midori knows that plants grow from seeds. In what part of the plant are seeds formed?
A. leaves and roots
B. cones and leaves
C. stems and flowers
D. flowers and cones
Answers
Answer:
Explanation:
A
1. What gametes would be produced by individuals of the following genotypes
(2pts)?
bbFf
Bbff
BbFf
AaDd
Answers
To determine the gametes that would be produced by individuals of the given genotypes, we need to use the principles of Mendelian genetics.
Mendel's law of segregation states that each individual has two alleles for a given trait and that these alleles separate during the formation of gametes, such that each gamete carries only one allele.
Using this principle, we can determine the gametes produced by individuals of the given genotypes as follows:
bbFf: This individual has the alleles b and F on one chromosome, and b and f on the other chromosome. The gametes produced by this individual would be bf and bF.
Bbff: This individual has the alleles B and f on one chromosome and b and f on the other chromosome. The gametes produced by this individual would be bf and Bf.
BbFf: This individual has the alleles B and F on one chromosome and b and f on the other chromosome. The gametes produced by this individual would be BF, Bf, bF, and bf.
AaDd: This individual has the alleles A and a on one chromosome, and D and d on the other chromosome. The gametes produced by this individual would be AD, Ad, aD, and ad.
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Question 3. Marine ecosystems ( include at least 2 citations and reference)
a) Describe a major plant of the estuary ecosystem.
b)Use the plant above to describe the main features of all estuary plants
Answers
a) A major plant of the estuary ecosystem is Spartina alterniflora,
.
b) Estuary plants like the Spartina alterniflora, have some distinct features that allow them to thrive in the ecosystem.
they are able to survive in areas with high salinity levelsthey are able to withstand fluctuations in water levels and are most times submerged during high tides and exposed during low tides. They are able to survive in nutrient-poor soils by forming mutualistic relationships with bacteria. what is the estuary ecosystem ?Estuaries ecosystem are described as bodies of water where rivers meet the sea that provide homes for diverse wildlife, including popular fish species. They also support recreation, jobs, tourism, shipping, and more.
The Spartina alterniflora, is described as a perennial grass that is commonly found in salt marshes and estuaries along the Atlantic and Gulf coasts of the United States.
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Help me write a research proposal Title: "Freshwater fish pond" (include sources and citations)
Answers
Answer:
Explanation:
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
4. If an atom has five protons, how do you know that it has five electrons as well?
Answers
Answer:
Atoms are neutral in electrical charge because they have the same number of negative electrons as positive protons (Table 4.5. 1). Therefore, the atomic number of an atom also tells you how many electrons the atom has.
Explanation:
What does these terms mean please?
Answers
Vertebrate: (backbone) an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
How would you expect a Species Survival Plan to affect the crested toad
population in Puerto Rico?
A. It would lead to the extinction of crested toads due to water
pollution.
B. It would lead to the successful reintroduction of crested toads into
the wild.
OC. It would cause most crested toads to die due to invasive species.
D. It would cause the death of some crested toads due to habitat
loss.
Answers
It would lead to the successful reintroduction of crested toads into the wild. The correct option is B
What is Species Survival Plan ?
A Species Survival Plan (SSP) is a program designed to manage and conserve the genetic diversity of endangered or threatened species in captivity.
Therefore, Option B, "It would lead to the successful reintroduction of crested toads into the wild," is the most likely outcome of a Species Survival Plan for the crested toad population in Puerto Rico. While there may be challenges such as invasive species and habitat loss that could impact the success of the reintroduction efforts, the goal of the SSP is to help increase the population of the crested toad and prevent their extinction.
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Work with the person next to you to draw a picture of how you think gene expression (or protein synthesis) works. Label the part of your picture using words from the reading above
Answers
The picture of the gene expression process or protein synthesis is shown in the attachment.
What is gene expression?Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.
Gene expression involves the following stages:
transcription - the synthesis of mRNA from the DNA region containing the genetranslation - synthesis of proteins from the mRNA at the ribosomesEnvironmental elements can change which genes in an animal are expressed, which in turn impacts the animal's phenotype. These environmental factors include nutrition, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens.
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A forest fire destroyed many plants in a forest. Some plants survived. The process that will allow the population of these plants to increase is
Answers
Natural selection is the process that causes the population of surviving plants to grow following a forest fire. Plants that survive with beneficial features have a survival advantage and can transmit these traits on to the following generation, increasing the population.
How are plants able to endure after a fire?Because of a smart layer of thermal insulation produced by their bark, dead leaves, or moist tissues, some plants can withstand flames.
How are plants impacted by forest fires?In addition, fire can burn and harm vegetation communities, such as rainforests, whose recovery might take hundreds of years. specific plants or animals are killed or hurt. cause marshes and waterways to erode, which in turn causes sedimentation.
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What is the purpose of the cell wall?
Group of answer choices
to convert energy from the sun into glucose
to transport protein around the cell
to create protein
to provide structure for an organism
Answers
Please help !!!!!!!!!!!
Answers
Answer:
1) Weathering, Erosion, Disposition
2) Physical weathering is the breakdown of large rocks into fragments by physical forces; the chemical composition of the rock is not changed. Chemical weathering is the breakdown of rock by chemical reactions; the chemical composition is changed.
3) The four forces of erosion are water, wind, gravity, and glaciers.
4) Because the velocity of the river slows down a great deal when it reaches the large body of water, the sediment that the river was carrying is deposited along the mouth of the large body of water.
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Abrasion: Abrasion is the breaking down and wearing away of rock material by the mechanical action of another rock. Three agents of physical weathering that cause abrasion are moving water, wind, and gravity. Also, rocks suspended in thence of a glacier can cause abrasion of other rocks on Earth's surface. This would be a prime example of physical weathering, or mechanical weathering.
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Acid Precipitation: Acid rain causes less erosion than normal rainwater does. Rainwater can break down rocks by dissolving minerals in the rocks. Acid rain is rainwater that is more acidic than normal rainwater. Acid rain can also dissolve the minerals in rocks faster than normal rainwater can. This is chemical weathering.
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Animal actions: Animal and plant mobility is a factor in biological weathering. For instance, a plant may grow in a gap in a rock and, as its roots spread, cause the fracture to expand. A rabbit may also burrow into a crack in a rock, making it wider and eventually separating the rock. This is an example of physical weathering.
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Ice wedging: Ice wedging ,sometimes known as frost wedging ,can also cause rocks to break apart. Ice wedging causes cracks in rocks to expand as water seeps in and the water freezes and expands opening the crack further. Rocks formed under pressure deep within earth can become exposed at the surface. This is physical weathering
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Oxidation: Oxidation is another kind of chemical weathering. It occurs when oxygen from air dissolves in water and combines with chemicals in the rocks to form oxides. if the rock contains a lot of iron, then oxidation produces a brown material called iron oxide. This looks like rust on the rock.
What is the difference between weathering erosion and deposition?Weathering is the chemical and mechanical breakdown of exposed rock. The chemical changes alter the minerals and make them softer, and mechanical weathering physically breaks rock into smaller and smaller pieces.
Erosion is the REMOVAL of those chemically and mechanically softer and broken pieces of rock from their original locations, by gravity, water, ice or wind. Erosion is transport (and as a result, fresh unaltered rock is exposed to wind, water and weather, and THAT becomes weathered in turn). The material being transported is ‘sediment’: sand, silt, mud and gravel.
Deposition is when the weathered and eroded (transported) material is dropped and settles down elsewhere, forming a ‘deposit’ of transported rock material.
If this deposit remains undisturbed long enough, and is buried by enough arriving material, it will eventually go through compaction and chemical reactions forming cement between the grains - thus resulting in a brand new, sedimentary rock.
Weathering, erosion, transport, deposition, compaction and cementation are part of the ‘rock cycle’.
How can the complete rock cycle be described?Let’s start with basalt that form at mid ocean spreading centers. At mid ocean spreading centers rock material from the earth’s mantle continuously melts due to continuous decreasing in pressure from the oceanic crust spreading at this point. The molten rock quickly cools at the earth’s surface and forms rock known as basalt that makes up the oceanic crust all over the world. The newly produced oceanic crust rock slowly moves towards a boundary with a continental crust where the oceanic crust subducts beneath the continental crust due to the oceanic crust having a higher density than the continental crust. This is where things get a bit more interesting.
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Genetic engineering definition
Answers
Gram-negative bacterial cell walls can increase a bacterium's virulence (infectious capability) because a component in the cell wall acts as a toxin. True or false
Answers
Answer: false
Explanation its function is to protect them from acids and also in some cases reproduction but they itsef didnt have any toxins in them
What name is giving to the bond between water molecules
Answers
Question Which of the following is not a cardinal sign of Parkinson's disease?
Answers
Essential tremor is not a cardinal sign of Parkinson's disease.
Option D is correct.
What is Parkinson's disease?Parkinson's disease is a disorder affecting the brain that results in unintentional or uncontrollable movements like trembling, stiffness, and issues with balance and coordination.
Early signs of Parkinson's disease include tremors, muscle stiffness, and sluggishness of movement, but there are also other symptoms to watch out for.
Essential tremor is not associated with other Parkinson's disease symptoms.
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Complete question:
Which of the following is not a cardinal sign of Parkinson's disease?
Stiffness
Difficulty moving
Shaking hands and feet
Essential tremor.
Which list of ordered pairs would form a parallelogram when connected by the line segments
Answers
According to the information, the correct answer is: (1, 5), (3, 2), (3, –2), (–2, –3)
Which list of ordered pairs would form a parallelogram?To determine if a set of ordered pairs forms a parallelogram, we need to check if the opposite sides are parallel and of equal length.
For the first set of ordered pairs, we can see that the line segment connecting (1, 5) to (3, 2) is parallel to the line segment connecting (3, -2) to (-2, -3). Moreover, the distance between these two line segments is the same. Therefore, this set of ordered pairs forms a parallelogram.
For the second set of ordered pairs, we can see that the line segment connecting (-2, 2) to (-5, -2) is parallel to the line segment connecting (-4, -5) to (-1, -1). However, the distance between these two line segments is not the same. Therefore, this set of ordered pairs does not form a parallelogram.
For the third set of ordered pairs, we can see that the line segment connecting (3, 2) to (5, -2) is not parallel to the line segment connecting (-3, -2) to (-1, 2). Therefore, this set of ordered pairs does not form a parallelogram.
For the fourth set of ordered pairs, we can see that all the ordered pairs are the same, which means that we only have one point. Therefore, this set of ordered pairs does not form a parallelogram.
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Which are potential sources of error in the experiment? Check all that apply. estimating temperature to the nearest tenth of a degree estimating the mass of the sample to the nearest tenth of a gram estimating the thickness of the foam cups the position of the cups of sand and water under the heat lamp the brand of light bulb used for the heat lamp the air temperature outside the lab
Answers
Below are list of potential sources of error in the experiment:
Estimating temperature to the nearest tenth of a degreeEstimating the mass of the sample to the nearest tenth of a gramEstimating the thickness of the foam cupsThe position of the cups of sand and water under the heat lampThe brand of light bulb used for the heat lampThe air temperature outside the labWhat are experiments?A hypothesis can be rigorously tested through a systematic procedure known as an experiment. In essence, experiments allow for controlled manipulations of variables while measuring their effects on outcomes.
Fields like science, psychology, medicine and engineering majorly utilize this technique to answer specific questions about phenomena.
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Answer:
1
2
4
Explanation:
Have a great day!