The diagram shows an energy pyramid.
If the flowers contain 50,000 kcal of energy, about how
much energy will the lizard obtain from eating the
butterfly?
Quaternary Consumer
500 kcal
O 5,000 kcal
50,000 kcal
500,000 kcal
Tertiary Consumer
Secondary Consumer
Primary Consumer
Producer
Answers
Answer:
Its A for Edgeunity
Explanation:
Every consumer it passes through loses a 0, so
Flower: 50,000
Butterfly: 5,000
Lizard: 500
Answer:
Either d or c, listen I think it might be c actually
Explanation:yes
Related Questions
Grows and regresses (it's shed) with each monthly cycle
the vagina
the endometrium
the perimetrium
the cervix
the myometrium
Answers
What had a nucleus ?
Answers
Answer:
The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
what factors must be kept constant in the experiment to obtain valid results
Answers
Why is PTC important to be passed on in animals and humans?
Answers
Answer:
PTC (phenylthiocarbamide) is important to be passed on in animals and humans because it is a gene that determines the ability to taste certain bitter compounds. This gene helps to determine which foods are safe to eat, as some bitter compounds are toxic and can be dangerous if consumed.
Explanation:
• Analysis of hemoglobin proteins obtained from an individual with Sickle Cell Anemia (SCA) has been shown to contain the following amino acid sequence. Using the information from part (A), identify which of the DNA sequences is normal and which is mutated, justifying your choice.
• Sickle Cell Hemoglobin Analysis: Met – Val – His – Leu – Thr – Pro – Val
Answer-
Answers
Sickle Cell Anemia (SCA) is caused by a single point mutation in the beta-globin gene, which results in the substitution of a single amino acid in the hemoglobin protein.
Based on the amino acid sequence provided, we can conclude that the DNA sequence in the beta-globin gene is mutated, as it codes for Val at the 6th position, rather than the normal GAG.
What is the Sickle Cell Anemia about?The normal beta-globin gene codes for the amino acid glutamic acid at the 6th position (coded for by the GAG codon), while in SCA the mutated beta-globin gene codes for valine at the same position (coded for by the GTG codon).
In the hemoglobin protein sequence provided, the 7th amino acid is listed as Val, which suggests that the corresponding codon in the beta-globin gene is GTG. This is the mutated version of the beta-globin gene that is responsible for SCA, while the normal version of the beta-globin gene would code for GAG at this position.
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How could the matter in a piece of rock at the top of a mountain eventually be incorporated into volcanic lava? Write a short essay showing how the atmosphere, hydrosphere, cryosphere, geosphere, and biosphere are involved in this process.
Answers
Both volcanic glass and volcanic rock are produced as lava cools. As part of a powerful volcanic eruption, magma may potentially erupt into the Earth's atmosphere.
What is volcanic eruption?In the form of volcanic rock known as tephra, this magma solidifies in the atmosphere. Tephra is most often known as volcanic ash in the atmosphere.
Volcanoes can spew forth a significant volume of heated lava (a geosphere event), which melts mountain glaciers (a hydrosphere phenomenon).
Therefore, flooding and mudflows (geosphere) might affect settlements along streams downstream from volcanoes (biosphere).
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In a multistep biochemical pathway, the first enzyme necessary for the synthesis of the amino acid tryptophan is inactivated with increasing levels of tryptophan and reactivated as tryptophan levels decline. This is an example of
- receptor mediated endocytosis.
- autolysis.
- irreversible damage.
- irreducible complexity.
- feedback inhibition.
Answers
Answer: Irreducible complexity
Explanation:
Irreducible complexity can be defined as characteristic of complex system it is impossible to reduce the complexity of the system by removal of any parts to maintain the functionality of the system. The given situation is an example of irreducible complexity. The increased levels of tryptophan will inactivate the synthesis process but it is again reactivated when the levels decreases this is suggestive of the fact that it is impossible to reduce the complexity of the system.
How did the public of Russia react to the transition from a communist society to a democratic society?
a.
lack of commitment to democracy
c.
not a true understanding to democracy
b.
fully embraced democracy
d.
revolt against democracy
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
I think it is A
Explanation:
It’s not b or d for sure
What would the mRNA codon be if DNA was ATC?
Answers
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Despite spinning in a full circle, Ravi manages to
avoid hitting any objects and drives away unharmed. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation
of which of the following?
O sympathetic nervous system
O parasympathetic nervous system
O thyroid gland
O somatic nervous system
O pancreas
Answers
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphthetic nervous system.
What is Symphathetic nervous system?Autonomic nervous system includes the sympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls a variety of processes that don't require conscious thought.
The ability of your sympathetic nervous system to react to risky or stressful conditions is its most well-known function.
When this happens, your sympathetic nervous system kicks in to help you escape danger by increasing your heart rate, pumping more blood to areas of your body that need it, and other responses.
Therefore, Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphathetic nervous system.
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Bood volume and blood pressure can be stimuli for the release of vasopressin, changes in osmolarity serve as the strongest stimulus.
a. True
b. False
Answers
Answer:
a. True
Explanation:
Vasopressin is a peptide hormone, synthesized in the hypothalamus, that has a strong effect on the kidney, cardiovascular homeostasis, and on the body generally, especially responding to changes in osmolarity of the blood.
Just like every other hormone, vasopressin is a hormone released on-demand, based on the state of the body, the need, its capability to solve a problem. It has its target organ and function. Changes in osmolarity cause kidneys to reabsorb water into the blood is the strongest stimulus responsible for the release of vasopressin. Vasopressin is also stimulated in response to blood volume and blood pressure.
Next week produces a heat wave in Prince George's County. Most scientists would say:
A. Global warming is the cause
B. Human activity is the cause
C. Local temperatures over one week tell us more about weather than climate
D. Our climate is getting warmer
Answers
Question 5
1 Q) Which of the following best describes an ecosystem?
1) A list of all plant and animal species found in the California desert
2) All of the white-tailed deer in a forest
3) Sunlight, temperature, rainfall, water sources in an area
4) An entire rainforest, including all biotic and abiotic factors
2 Q) Which of the following happened after wolves were removed from Yellowstone's ecosystem?
1) Biodiversity dramatically increased
2) The elk overgrazed the habitat vegetation of other species
3) Biodiversity was unaffected
4) The elk population rapidly decreased
3 Q) Which features are used to describe a biome?
1) Climate, wildlife, and vegetation
2) Longitude and latitude
3) Common name, scientific name, and conservation status
4) Bacteria, Archaea, and Eukarya
4 Q) Which statement is correct about biomes?
1) They represent large geographic areas
2) They all have about the same species richness
3) Water biomes are not as complex as land biomes
4) Biomes can be as small as a pond
5 Q) Which of the following is the largest biome on earth by area?
1) Tundra
2) Marine
3) Temperate Grassland
4) Desert
Answers
Answer:
1 Q) Which of the following best describes an ecosystem?
4) An entire rainforest, including all biotic and abiotic factors
2 Q) Which of the following happened after wolves were removed from Yellowstone's ecosystem?
2) The elk overgrazed the habitat vegetation of other species
.3 Q) Which features are used to describe a biome?
1) Climate, wildlife, and vegetation4
Q) Which statement is correct about biomes?
1) They represent large geographic areas
5 Q) Which of the following is the largest biome on earth by area?
)3 Temperate Grassland
Which term defines a well-supported, explanation of an occurrence of a natural phenomenon?
Ο Α.
OB.
O c.
O D.
hypothesis
bias
observation
theory
Answers
Answer:
A theory.
Explanation:
A theory is an explanation that has been supported by reliable and valid evidence. It is the most well-supported explanation of an occurrence of a natural phenomenon.
Which cellular process is the main contributor to genetic variation?
A.
independent assortment during meiosis
B.
cytokinesis at the end of mitosis
C.
production of a duplicate DNA strand
D.
asexual reproduction
Answers
Answer:
D asexual reproduction
Energy resources are evenly (fairly) distributed across the Earth?
*
True
False
Answers
Answer:
False
Explanation:
Consider if there was oil everywhere then every country wouldnt have to fight for oil or go out to sea and begin drilling its simply not distrubuted evenly
Use the scenario to answer the question.
A student decides to test the effects of watering on plants. She chooses 6 tomato plants and places all of them in the same part of a garden with plenty of space between them. They get the same amount of sunlight and the same amount of fertilizer each day. She gives each plant a different amount of water, with the first plant getting no water and the others getting 200 mL, 400 mL, 600 mL, 800 mL, and 1,000 mL. She records the total height of the plants each day for 3 weeks.
What is the independent variable in this experiment?
Answers
Amount of water would be the independent variable in this case.
What is Independent variable?An independent variable is a factor that you deliberately change or control to see what effect it has. Variables that respond to changes in the independent variable are called dependent variables. It depends on the independent variable. Independent variables are plotted on the x-axis.
In a scientific experiment, an independent variable is a variable that is altered or under control. It symbolizes the root cause or motivation behind a result.
The variables that the investigator modifies to test their dependent variable are known as independent variables. The dependent variable changes as a direct result of changes in the independent variable.
Therefore, Amount of water would be the independent variable in this case.
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Which of the following scenarios will decrease the genetic variation of a population? (1 point)
O a mutation in a chromosome makes it more likely to undergo genetic recombination
O a population of birds suddenly decrease their frequency of sexual reproduction
O an individual works out, increasing their muscle mass
O a mutation alters the sequence of a gene resulting in a new allele
Answers
Answer:
(Q1). Which of the following scenarios will decrease the genetic variation of a population?
(answer). a population of birds suddenly decrease their frequency of se×ual reproduction
(Q2). Two of the main drivers of genetic variation are mutations and genetic recombination. During which process can these two events occur?
(answer). meiosis
(Q3). If a fish is able to breathe outside of water but does not reproduce, that trait
(answer). does not impact evolution.
(Q4). In which of the following scenarios would evolution by natural selection take place?
(answer). Penguins reproduce se×ually, producing offspring that look different from one another
(Q5). Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection?
(answer). an old growth forest with trees that are over 1,500 years old
Explanation:
these are the correct answers for the (Genetic Variation and Evolution Quick Check) 2022
The scenario that will decrease the genetic variation of a population is a population of birds suddenly decreasing their frequency of procreation.
What do you mean by Genetic variation?Genetic variations may be defined as the presence of differences in sequences of genes between individual organisms of a species.
Mutations always lead to an increase in the genetic diversity among individuals. While decreasing the rate of crossbreading may decline the rate of genetic diversity.
Therefore, the scenario that will decrease the genetic variation of a population is a population of birds suddenly decreasing their frequency of gender reproduction. So, the correct option is B.
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1. Smoking may damage the respiratory system because deposits from the smoke can
A. interfere with ciliary action in the trachea
B. trigger the release of antigens by the alveoli
C. block the transmission of impulses that regulate breathing
D. lower blood pressure in the mucous membranes of the bronchioles
Answers
Answer: A. interfere with ciliary action in the trachea
Explanation: I took this before and got it right.
Smoking can damage the respiratory system by damaging air sacs and alveoli.
Explanation:
Option A is correct.
The trachea is made up of ciliated pseudostratified columnar epithelium. and the smoke deposits can damage cilia and can eventually destroy them.
Cilia keep the respiratory tract clear and as they are damaged in smokers, it can lead to cough and are also at high risk of contracting pneumonia.
Option B is correct
Smoke can contribute to the aggravation of inflammatory response, contributing to the development of chronic obstructive pulmonary disease (COPD).
It can increase the release of cytokinins and trigger viral infections.
Option C is correct
Excess tobacco can block sympathetic and parasympathetic nerve impulses and can affect the normal breathing mechanism.
Option D is false
Smoking can increase blood pressure and causes hypertension.
cause of supraventricular tachycardia?
Answers
Superventricular tachycardia occurs when the system that controls your heart rhythm is not working properly.
What is visible light? Give an example and explain how the example works.
Answers
EXAMPLES:
For example, the sun produces visible light.
Incandescent light bulbs, fluorescent, and neon lights are other examples of visible light that we may see on a regular basis.
Visible light is probably the most important of all electromagnetic waves for most of us.
how does mRNA help in transcription process?
Answers
Answer:
The process of making mRNA from DNA is called transcription, and it occurs in the nucleus. The mRNA directs the synthesis of proteins, which occurs in the cytoplasm. mRNA formed in the nucleus is transported out of the nucleus and into the cytoplasm where it attaches to the ribosomes.
Explanation:
What would happen if scientists used different physical characteristics
Answers
If scientists used different characteristics from the ones used then this will affect the outcome of the study and the observations made through the study will be different from the one obtained.
What are Physical characteristics?Physical characteristic means a bodily condition or the characteristic of any person's body which is from the time of birth, accident, or any disease, or from any kind of natural physical development, or any other type of event outside the control of that individual including individual physical mannerisms, such as height, or weight of an object.
Phenotype includes an individual's observable traits, such as the height, eye color, and blood type of the person. A person's phenotype is determined by both their genomic makeup and environmental factors.
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Soil formation is also called __________.
A)
compaction
B)
arcology
C)
pedogenesis
D)
tillage
E)
sedimentation
Answers
Answer:
C. Pedogenisis
Explanation:
The soil formation process is termed 'pedogenesis'. Climatic conditions are important factors affecting both the form and rate of physical and chemical weathering of the parent material.
Consider the following scenario - You’ve read about how air pollution can result in acid rain and now you’re wondering how it may affect the plants in your garden.
Hypothesis: _____
Independent Variable: _____
Dependent Variable: _____
Constants: _____
Control Group: _____
Experimental Group: _____
(Please solve each for me) :0
Answers
Hypothesis; Air pollution does affect the plants in the garden.
Independent variable; Quality of air
Dependent variable; Outcome of the plants
Constants; Kind of soil and nutrients
Control groups; Plants in unpolluted environment
Experimental group; Plants in polluted environment.
What is an experiment?When we are talking about an experiment, it has to be know that we are looking at the interplay of the variables that are involved. We are just looking at the influence of one of the variables on the other. As we change one of the variables, there is an effect also that we see on the other variable that is involved in the experimet.
The variable that we have to manipulate in the experiment is the one that we call the independent variable and as we manipulate this variable, we are going to see that there would be a change in the other variable that we call the dependent variable of the experiment.
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I need the answers for 123
Answers
The cell membrane is a thin, semi-permeable barrier that surrounds the cytoplasm of a cell.
1) There are two of movement across the cell membrane.
2) Diffusion refers to the movement of molecules randomly, the use of energy.
3) Active diffusion refers to the movement of molecules that dash the use of energy.
Explain Diffusion.
Diffusion is the process of molecules moving from an area of higher concentration to an area of lower concentration. This process occurs naturally and does not require the use of energy. Active diffusion, on the other hand, is the process of molecules moving from an area of higher concentration to an area of lower concentration, but it requires the use of energy. Active diffusion is usually facilitated by proteins embedded in the cell membrane that act as transporters. These transporters use energy to move molecules across the membrane, either into or out of the cell.
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how would you relate the changes of earth surface to the earthquake activities and volcanic eruptions?
Answers
Answer:
The correct answer is - volcano leads to rock or land formation and the change of mountains and earthquakes causes a landslide and other changes.
Explanation:
A volcanic eruption changes the surface of the earth by the eruption of molten and magma that leads to new rock formations or mountains. It builds up the land or rocks around a volcano when lava flows out and hardens on the surface.
The surface of the Earth change by cracking and shifting when an earthquake hits and cause landslides as well as the point where the crust moves.
Volcanic eruptions occur from the interior of the earth causing landslides owing the continental shifts.
What are volcanic eruptions?The term volcanic eruption refers to the sudden ejection of molten magma to the surface of the earth. This magma solidifies on the earth's surface and leads to the formation of rocks.
When the molten magma is emerging from the earth continental shifts occur resulting in landslides on the earth's surface.
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The image shows a section of a root tip of Broad Bean with cells from the region of cell division, just behind the root cap. Five
cells have been numbered (1-5). Which statements accurately describe the mechanism by which the cells ensure that
chromosomes are passed successfully to the next generation? Select ALL that apply.
A)
Cell 1 lacks chromosomes and cannot contribute genetic material to future
cells.
Cells 4 and 5 have recently divided and have a cell plate that formed
between them
B)
c)
D)
Cell 3 is providing a mechanism for increasing genetic diversity in the
daughter cells.
Cell 2 is undergoing anaphase to separate the duplicated chromosomes to
opposite poles of the cell.
Cells 4 and 5 have recently divided and are now haploid, containing half of
a full set of chromosomes after division
E)
Answers
Answer:
The answer is B and D
Explanation:
I just did it
Answer:
b and d
Explanation:
I just did it on USA test prep
In Darwin's thinking, the more the more closely related two different offspring organisms are related, the
more similar their habitats are.
more similar they are in size.
less similar their DNA sequences are.
more recently they shared a common ancestor.
less likely they are to have the same genes in common.
Answers
Answer:
The more recently they shared a common ancestor
What are 4 reasons pluto should be a planet pls help this is due today for a pbl
Answers
Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects.”
Explanation: