What are the results of natural selection? Select all that apply.
The cranial cavity contains the ________.
Answer:The brain
Explanation:
Identify what type of evidence of evolution each of the examples demonstrates.
Can someone double check these answers?
Yes ,the answer which are chosen in the option are correct.
a. Changes in trilobite morphology over time - Fossil record
b. Gill ridges in human and fish embryos - Homology
c. The similar shape of sharks and dolphins - Convergent evolution
d. Kale, broccoli, and cabbage - Selective breeding
e. Darwin's finches - Biogeography
f. Endemic island species - Biogeography
g. Recognizable, but specialized forelimb bones in different vertebrates - Homology
h. Different types of cattle - Selective breeding
i. Wings of butterflies and birds - Convergent evolution
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What process do some cyanobacteria perform, but other photosynthetic organisms cannot?.
Answer: z- scheme photosynthesis
Explanation:
Cyanobacteria are a type of bacteria that carry out z- scheme photosynthesis. This process is named after the z-shaped electron transfer pathway that is used to produce oxygen from water. Cyanobacteria are the only known bacteria to carry out this type of photosynthesis.
identify the element based on how it the atomic stucture is modeled. atomic structure review
An element can be identified from a model of its atomic structure using the number of protons present in its nucleus.
The element given is lithium with three protons and an atomic number of 3.
What is the atomic structure of an element?The atomic structure of an element refers to the arrangement of its subatomic particles - protons, neutrons, and electrons - within an atom.
At the center of the atom is the nucleus, which contains protons and neutrons. Electrons orbit the nucleus in shells or energy levels. The number of protons in the nucleus determines the atomic number and therefore the identity of the element.
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Helpful traits are usually passed down instead of unhelpful traits because __________.
Check all that are true.
offspring are able to give their parents traits through heredity
helpful traits lead to animals reproducing more often
helpful traits make it easier for animals to get their basic needs
animals with helpful traits can choose which adaptations they want
The following options are true:
Helpful traits lead to animals reproducing more often
Helpful traits make it easier for animals to get their basic needs
What is Offspring?
Offspring are the young produced by animals, plants, or other organisms as a result of reproduction. In sexually reproducing organisms, offspring inherit genetic material from both parents through the fusion of sperm and egg cells. Offspring may be genetically identical to one another, as in the case of asexual reproduction, or they may show variation in their traits due to genetic recombination and mutation.
These are both true because animals with helpful traits have a better chance of surviving and reproducing, passing on those helpful traits to their offspring. Over time, natural selection favors the traits that increase an animal's chances of survival and reproduction, leading to the spread of helpful traits in a population.
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Phenylketonuria (PKU) is a genetic condition caused by a defective enzyme
which results in abnormal metabolism. This condition is caused by an autosomal
recessive gene
If the normal gene is represented as P and the abnormal gene by p, use a
genetic inheritance diagram to show how a couple who do not have the
condition may still have a child that does have the condition
You should write down the genotypes of the parents and complete the diagram
to give types of gametes and type of offspring.
Answer:
Explanation:
Assuming both parents are carriers of the recessive PKU gene (Pp), the Punnett square below shows the possible genotypes and phenotypes of their offspring:
| P | p |
--|-----|-----|
P | PP | Pp |
--|-----|-----|
p | Pp | pp |
--|-----|-----|
PP: Normal phenotype, not a carrierPp: Normal phenotype, carrier of PKUpp: PKU phenotype, affected by the diseaseTherefore, there is a 25% chance that the child of two carrier parents will inherit two copies of the recessive allele (pp) and have PKU.
In 150 words or more define biotechnology, and describe some of the ways it has benefited both manufacturing and people’s lives.
Biotechnology is the use of biological methods to produce significant goods that can benefit human welfare.Benefits of biotechnology include: breeding improvements for plants and animals to produce more of their goods.
Which advantages does biotechnology offer?To tackle crippling and uncommon diseases, lessen our environmental impact, feed the needy, use less & cleaner energy, and also have safer, cleaner, and more effective industrial manufacturing processes, modern biotechnology offers ground-breaking goods and technologies.
What are the advantages of biotechnology for business?Industrial biotechnology increases production while consuming less energy, water, and conventional chemical products.It decreases the consumption of fossil fuels and reduces emissions, particularly greenhouse gas emissions.It also produces less trash and is a crucial instrument for waste treatment and reuse.
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Joe has blonde hair. Joe's father has brown hair. Joe's mother also has brown hair. Joe's father and Joe's mother want to have another child. What is the probability that the child will have brown hair? Support your reasoning with a Punnett Square.
Answer:
Assuming a single gene determines that hair color with two alleles (brown and blonde), and that both parents are heterozygous (Bb) for this gene, the Punnett square would look like this:
see attachment:
So, there is a 75% chance that the child will have brown hair (either BB or Bb), and a 25% chance that the child will have blonde hair (bb).
This calculation is based on the principles of Mendelian genetics, which state that each parent contributes one allele to their child for each gene and that the dominant allele (B) masks the recessive allele (b) in a heterozygous individual (Bb).
Therefore, based on the given information, the probability that Joe's father and mother will have a child with brown hair is 75%, and the probability that the child will have blonde hair is 25%.
Explanation:
Mention 5 advantages and disadvantages of non living things
Jenna notices that the speed of the wind has increased throughout the day. What is causing the faster wind?
There has been no precipitation.
The difference in air pressure has decreased.
The difference in air pressure has increased.
The direction of the wind has changed to the south.
The most likely cause of the faster wind that Jenna is observing is an increase in the difference in air pressure.
What is Air pressure?
Air pressure is the force exerted by the weight of the atmosphere on a given area. The Earth's atmosphere is composed of a mixture of gases, including nitrogen, oxygen, and carbon dioxide, that are held in place by the Earth's gravity. The weight of this mixture of gases creates a pressure that is felt on the surface of the Earth.
Wind is caused by differences in air pressure between two areas. Air flows from areas of high pressure to areas of low pressure, creating wind as it moves.
Without any information about precipitation or changes in wind direction, it is difficult to say for certain what is causing the faster wind that Jenna is observing. However, an increase in the difference in air pressure is the most likely cause of the faster wind. This could be due to a variety of factors, such as a change in temperature or a shift in atmospheric conditions.
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what is one difference between the lifecycle of an average size star in the lifecycle of a high-mass star?
One major difference wold be the final stage of each star's life.
An average size star will eventually use up all of the hydrogen fuel in its core and expand into a red giant, before shedding its outer layers and becoming a white dwarf. The white dwarf will continue to slowly cool over billions of years.
A high mass star will follow a more explosive and catastrophic path. After it has used up all of its hydrogen fuel it will continue to fuse heavier elements around its core. Eventually the core will collapse in on itself, triggering a supernova explosion that blasts the outer layers of the star into space. The remaining core will either form a neuron star or a black hole, depending on its mass.
Think about how gene therapy impacts the field of science and our society. Answer the following questions in your explanation:
· Why is gene therapy important to the advancement of science?
· What does gene therapy allow- what doors are open because of this technology?
· How does gene therapy affect society?
Explanation:
Gene therapy is a rapidly evolving field of science that involves the introduction, removal, or alteration of genetic material within an individual's cells to treat or prevent diseases. The development of gene therapy has important implications for both the advancement of science and the improvement of human health.
Firstly, gene therapy is important to the advancement of science because it provides a new approach to treating diseases that have been difficult or impossible to treat using traditional methods. By targeting the underlying genetic causes of a disease, gene therapy has the potential to provide more effective and long-lasting treatments for a variety of genetic disorders.
Secondly, gene therapy allows for the possibility of correcting genetic mutations or adding new genes to an individual's DNA, which opens doors for potential cures or treatments for previously incurable diseases. For example, gene therapy has shown promising results in treating certain forms of inherited blindness, severe combined immunodeficiency, and some types of cancer.
Finally, gene therapy has important implications for society as a whole. It has the potential to revolutionize the way we approach healthcare, as well as provide new hope for individuals and families affected by genetic disorders. Gene therapy can potentially eliminate the need for lifelong treatments, and improve quality of life for those living with chronic diseases.
However, gene therapy also raises important ethical and social concerns, including issues surrounding the safety and efficacy of the treatment, the cost of the therapy, and potential implications for reproductive rights and genetic discrimination. It is important for scientists, policymakers, and the general public to carefully consider these issues as the field of gene therapy continues to advance.
In conclusion, gene therapy has the potential to transform the field of science and improve human health by providing new approaches to treating genetic disorders. While there are still many challenges to be addressed, gene therapy represents an exciting new frontier in the fight against disease.
Organisms at each level of the food web use the energy for _______________ and some of the energy is released as heat energy. Responses.
Answer:
Organisms at each level of the food web use the energy for break down of food to produce energy and some of the energy is released as heat energy.
Explanation:
What are the three POWERS in a microscope what is their total magnification?
The three powers in a microscope are:
Objective lens power,
Eyepiece power,
Condenser lens power.
What are the three parts of the microscope ?
Objective lens power: This is the magnifying power of the objective lens, which is located close to the object being viewed. Objective lenses come in different magnifications, usually ranging from 4x to 100x.
Eyepiece power: This is the magnifying power of the eyepiece lens, which is located close to the viewer's eye. Eyepieces typically have a magnification of 10x.
Condenser lens power: The power of a condenser lens refers to its ability to focus and direct light onto the specimen being observed in a microscope. It is typically measured in numerical aperture (NA), which is a dimensionless quantity related to the refractive index of the lens material and the angle of the cone of light entering the lens.
The three powers in a microscope are: Objective lens power, Eyepiece power, Condenser lens power.
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What weather system supplies fresh water to a fifth of the world's population?
The Asian monsoon weather system supplies fresh water to a fifth of world's population. Regions of South Asia experience heavy rainfall during monsoon season, which usually lasts from June to September.
What is freshwater water?Freshwater is defined as water with a maximum of 1,000 milligrams of dissolved particles per liter, most frequently salt. Earth's surface water bodies are usually regarded as renewable resources because they are a part of the water cycle, despite the fact that they rely heavily on other water cycle components.
What are the two primary kinds of fresh water?The lentic ecosystem and the lotic ecosystem are the two main subtypes of freshwater habitats. Ponds, marshes, ditches, and other still-water features make up lentic environments.
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Classify each of the North American tallgrass prairie organisms listed below as one of the following: producer, primary consumer, secondary consumer, tertiary consumer, or decomposer. Then create a food web that shows the movement of energy between them. You may write their names or draw them. Remember to start your energy flow from the Sun!
The producers consist of grass that gets energy from the sun, grasshoppers, mice, and bison, which depend upon grass (the primary consumer), and the secondary consumers are birds and dogs, while , snakes, etc. are tertiary consumers, while the earthworm is a decomposer.
What is a food web?The food web consists of many organisms, such as the earthworm that is decomposing and eating upon the dog, bird, mouse that leaves after the death, the dog that can eat the mouse, the bird, etc., so here all are interconnected and one can prey upon many animals.
Hence, producers consist of grass that gets energy from the sun, grasshoppers, mice, and bison, which depend upon grass (the primary consumer), and the secondary consumers are birds and dogs, while, snakes, etc. are tertiary consumers, while the earthworm is a decomposer.
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You will use Punnett squares to predict the probability that two parents of your species will pass a particular trait to their offspring. Each parent has two alleles for a particular gene, one on each homologous chromosome.
To prepare to make the Punnett squares, write down the genotypes of the parents for the three traits you’ll be predicting.
Example:
Mother: YyIRiPF
Father: YyIWiPF
To predict the probability that two parents of your species will pass a particular trait to their offspring. I will provide you with how to write down the genotypes of the parents for three traits that you could use to create Punnett squares.
What is offspring?
In biology, the term "offspring" refers to the new organism or organisms that are produced as a result of the reproduction of two parent organisms. Offspring inherit genetic material from both parents, which determines their physical traits and characteristics.
In sexual reproduction, the offspring are produced when a male gamete (such as sperm) fertilizes a female gamete (such as an egg) to form a zygote. The zygote then undergoes a series of divisions and differentiations to develop into a mature individual. The offspring may share some traits with their parents, but may also exhibit variations due to genetic recombination, mutation, and environmental factors.
Traits that you could use to create Punnett squares:
Trait 1: Eye color
Mother: Bb
Father: bb
Trait 2: Blood type
Mother: AO
Father: AB
Trait 3: Hair texture
Mother: TT
Father: Tt
Therefore, each parent has two alleles for a specific trait, and we can use these to predict the likelihood of their offspring inheriting certain traits. The Punnett squares can be used to determine the possible genotypes and phenotypes of the offspring.
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In animal feed, what is the average percentage of water?
Group of answer choices
10 to 20
5 to 10
1
50
Answer:
5% to 7% for mature plant products, such as hay, to more than 90% for young lush green vegetation.
Explanation:
hope it helps
Please help me with this, pick one choice
Answer:
33: Anabolic
34: An organism that performs photosynthesis for food
35: B
Explanation:
Answer:
33: A. Anabolic
34: C. An organism that performs photosynthesis for food
35: B. It van shuttle a 2C molecule from glucose into the citric acid cycle.
Hope this Helped! Have a GOOD DAY!
On a chilly summer morning, you inflate a pool float to use later in the day. You fill up the float completely with air and set it next to the pool in the sun. In the afternoon, you notice that it’s gotten very hot and you head to the pool for a swim. When you get there, you see that your pool float has burst open and deflated.
Answer each question below in complete sentences. (2 pts)
Part A: Based on your knowledge of temperature and gasses, explain what happened to your pool float. Use Charles’ Law to support your answer. (2 pts)
Part B: Predict what would have happened to your pool float if the temperature over the day had decreased instead of increased. (2 pts)
Answer:
the pool is a pool ✨
Explanation:
The image shows particles of salt dissolved in water.
How will the arrangement of salt particles most likely change?
Salt particles will move toward the left through diffusion.
Salt particles will move toward the left through active transport.
Salt particles will move toward the right through diffusion.
Salt particles will move toward the right through active transport.
salt particles will move toward the left through diffusion
PLEASE HELP ASAP, 100 POINTS, WILL MARK BRAINLIEST,
Analyze the given diagram of the carbon cycle below.
Part 1: Which process does arrow F represent?
Part 2: Explain how matter is conserved during the process.
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
Use complete sentences to explain your answer.
Answer:
F means oxygen from plant goes into the atmosphere.
Explanation:
2. matter is conserved in this process because plants take carbon dioxide from the atmosphere for photosynthesis then produces oxygen into the atmosphere, animals then feed on plants and later the animal's faecal matter is released into the soil and even when animals die, microorganisms in the soil break I down into absorbable form for plants use. which makes matter conserved.
3. mater is in a circular state from atmosphere to plants to animals to soil then absorbed by plants to restart the process again.
hope it helps .
Red blood cell (RBC) lysis is a consequence of hemoglobin defect at which level?
( Biology Chemistry)
Greenhouse ground covers offer a range of advantages for plant growth and development. Discuss the benefits of using the white and black ground covers in the greenhouse production.
Avoid waterlogging, root putrefaction, and fungus growth to assist prevent damage to the plants from outside forces in the greenhouse ground covers.
What is greenhouse ground covers?A permeable weed-blocking cloth known as ground cover, commonly referred to as weed control mat, was created especially for the agricultural, landscaping, and organic industries.
The ideal way to prevent weed development in nurseries, greenhouses, landscape applications, and other areas while using less weedicides is to use ground cover.
Thus, by avoiding waterlogging, root putrefaction, and fungus growth to assist prevent damage to the plants from outside forces in the greenhouse ground covers.
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The giraffes long neck is a(n) ____ which makes it easier for giraffes to feed on the higher branches of trees.
Answer:
adaptation
Explan
Answer: adaptation
Explanation:
Which of the following sets the stage for tissue repair?
Answer:
inflammation, organization, and regeneration.
Which is another name for a marker protein?
Answer:
protein standards or protein ladders
PLEASE HELP MEEE!!!!
A boy is walking to school when it suddenly begins raining. He runs the final few blocks to avoid getting drenched. Which of the following statements best describes how the boy's body was able to create this response? A. The midbrain detects and processes information from the environment and sends signals to leg muscles to change their rate of contraction. B. Incoming information from the skin and eyes is transmitted directly to the spinal cord, which then sends a signal to the leg muscles to move faster. C. Stimulation of cells in the eyes and skin results in signal transmission to the hypothalamus in the brain, where the signals are compared with memories and a response is made to increase leg movement. D. Sensory receptors in the skin and eyes transmit information to the visual cortex of the brain, which processes the signal as rain and then sends a signal to the leg muscles to increase contraction.
Answer:
The best answer is A. The midbrain detects and processes information from the environment and sends signals to leg muscles to change their rate of contraction.
Explanation:
This is because the midbrain is responsible for processing sensory information from the environment and coordinating motor responses, such as adjusting the rate of contraction of leg muscles to run faster. In this case, the boy's midbrain would have detected the change in weather and the sensation of raindrops on his skin, and sent signals to his leg muscles to increase their rate of contraction in order to run faster and avoid getting drenched.
Option B is incorrect because sensory information does not bypass the brain and go directly to the spinal cord. Option C is incorrect because the hypothalamus is primarily responsible for regulating bodily functions such as hunger, thirst, and temperature, and would not be directly involved in the boy's response to rain. Option D is also incorrect because the visual cortex is responsible for processing visual information, not sensory information from the skin.
Earthquakes can occur all over the world, but earthquakes are more prevalent in certain areas. The image below shows black dots where earthquakes have occurred around the world. Which does not explain what causes earthquakes to occur?
A) plates moving apart
B) plates colliding
C) plates moving past one another
D) plates remaining still
Answer:
D) plates remaining still
Explanation:
Earthquakes are primarily caused by the movement of tectonic plates, which can occur in three ways: plates moving apart (divergent boundaries), plates colliding (convergent boundaries), and plates moving past one another (transform boundaries). When the plates grind or scrape against each other, stress builds up until it is released in the form of an earthquake. Therefore, plates remaining still would not cause the stress buildup that leads to earthquakes.