i will give brainlyest if right

Answer:

The answer is "-0.4".

Explanation:

In that situation, the value of the possible correlations between the egg-laying logarithm as well as the testosterone level logarithm is equal to 4 It value is equal to the percentage 4=-0.4.

Answer:

1) Snakes and Hawks

2) Frogs and Snakes

Explanation:

1) The snakes and the hawks both eat frogs.

2) The frogs and snakes both eat grasshoppers.

Answer:

When all of the populations live together in the same area, it is called:

A community

Why? Because a community occurs when multiple people are together, and the prefix com means "together".

When all type of the populaton lived together in the similar area so we called them as the community.

The population means the group of individual that are interbreeded with respect to the same species that should be isolated from the other group

while on the other hand, the community means the group or two or more various species that have the similar kind of geographical area.

Therefore, the option A is correct.

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Answer:

f :)

Explanation:

Answer:

The Earth is 4.6 billion years old. Some examples of events listed on the geologic time scale include the first appearance of plant life on Earth, the first appearance of animals on Earth, the formation of Earth's mountains, and the extinction of the dinosaurs.

Explanation:

please mark this answer as brainliest

Answer:

Phospholipids arrange in two layers. Fatty acid chains from each layer are "sandwiched" in the middle away from water in and out of the cell.

Explanation:

Answer: The extinction of dinosaurs will lead to increase in the prey which they used to consume before extinction.

Explanation:

Many years ago the dinosaurs used to dominate on earth as large mammals. They were plant eater herbivores and animal consumer carnivores. After the extinction of dinosaurs the ecological balance got disturbed. Flowering plants dominated the earth. The large and massive non-bird dinosaurs died but the bird like dinosaurs survived and they passed their traits to some lineages of modern birds.

Answer:

Ethical:

-Giving a sick cow antibiotics.

-Euthanizing a horse suffering from an incurable disease and pain.

Unethical:

-Disclosing medical records of a patient without consent from the pet owner.

-Concealing information about a genetic defect from a dog breader.

Explanation:

In the field of veterinary medicine, ethics is a set of moral norms and mandates of conduct for veterinarians in which the welfare of the animal and the prevention of its suffering are prioritized, at the same time as the search for clear and detailed information regarding the use of animals for different purposes, be they commercial or otherwise. Thus, any activity that prevents the suffering of an animal will be considered ethical, at the same time that any activity that produces immediate or future suffering to an animal will be considered unethical.

Answer:

D. Climate change

Explanation:

The carbon cycle is disrupted by several activities of man which includes burning if fossil fuels anong others. These leads to accumulation of huge amounts of carbon dioxide in the atmosphere which leads to global warming. The resultant effects of global warming is what one of the major cause of climate change.

Therefore, human disruption of the carbon cycle can be said to have been implicated in climate change.

Answer:

invertebrates i guess

Explanation:

hope it helped!!!

1.) Chordates

2.) phylogeny

3.) most recent common ancestor

4.) derived

5.) homologous

6.) analogous

7.) opposable

8.) prehensile tails

9.) Lucy

10.) neanderthalensis

11.) Using comparative anatomy, scientists identify similarities and differences in the anatomy of different species. Scientists would search for homologous structures, analogous structures, and vestigial structures to provide clues as they construct a cladogram.

PF

Answer:

by using molecular clocks which are based on the mutation rates among molecular sequences (e.g., DNA sequences). The mutation ​rate can be used to estimate the times of divergence between sequences (in this case, between duplicated sequences in the target species and non-duplicated sequences in the most recent common ancestor).

Explanation:

A molecular clock is a technique that uses the mutation rate (μ) to measure the association between evolutionary rate and time. A mutation rate can be used to estimate the time in prehistory when two or more molecular sequences diverged. For example, assuming a generation time of 20 years, a species that has 100 mutations per generation is divided by 20 years to yield a mutation rate equal to 5 mutations per year. In consequence, the times of divergence can be estimated by dividing half of the target genomic region length (in nucleotides) by the mutation rate (t = d/2 ÷ μ).

DAnswer:

Explanation:

Answer:

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Answer:

country b will have high level of poverty

Answer with explanation:

If a body system does not work properly then the other body systems will also fail because every system is needed for a person to live properly. For example if the respiratory system does not work properly then the other systems will be harmed as oxygen will not be able to move to other parts of the body. As a result, the kidneys will fail and the heart will stop working and the person will die.

One body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems. If one system is affected, then others will be too.

In a multicellular organism, the organism is regulated by the coordination of the different organ systems, such as the circulatory system, digestive system, etc. In the human body, many systems are present, and each system is made up of many organs. In the nervous system, the nerves, brain, and spinal cord are involved, in the circulatory system, the blood, blood vessels, heart, and lungs are involved, and the lungs are involved in the respiratory system too. Because a single organ is involved in multiple organ systems, if one system is affected, the others will be affected as well.

Hence, one body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems.

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Complete question:

Both species of garter snakes prey on the California newt. Taricha torso, small amphibian that produces a potent neurotoxin (TTX) in its skin. However, neither species of garter snake is affected by TTX. The resistance to TTX is associated with mutations in the SCN4A gene. which of the following best supports a claim that TTX resistance arose independently in T. atratus and T. sirtalis?    

A. The stomach contents in fossils of both species include the remains of food items that contains TTX.

B. Both species of snakes possess the SCN4A gene.

C. The two species of snakes have different genetic mutations in the SCN4A gene.

D. T. atratus and T. sirtalis are sister species that share many of the same morphological features.

Answer:

C. The two species of snakes have different genetic mutations in the SCN4A gene.

Explanation:  

These are two different species that feed on the same amphibian species and that developed resistance to TTX. Resistance to the toxic is associated with mutations in the SCN4A gene. So probably both species by separated developed different mutations in the gene that led them to be resistant to the toxin.

Supporting the fact that natural selection is not random, both species might have become resistant to TTX through different mutations in the same gene. Both species are feeding on the California newt that produces neurotoxin in the skin. Animals that feed on this amphibian need to be resistant to the toxin to avoid death and keep preying. TTX might be acting as a modeling pressure that led snakes to develop resistance to the toxin, favoring the same phenotype but independently.

A. The stomach contents in fossils of both species include the remains of food items that contain TTX. → Food items with TTX in the stomachs do not mean that species were resistant to the toxin. And if they were, it does not mean that species developed the resistance independently or not.

B. Both species of snakes possess the SCN4A gene. → The fact that both species have the gene does not mean that they have mutations in the gene

C. The two species of snakes have different genetic mutations in the SCN4A gene. → That both species have different mutations in the same gene means that they evolved independently from each other. They suffered different mutations in the same gene that led them to express the same resistance phenotype.  

D. T. atratus and T. sirtalis are sister species that share many of the same morphological features. → Morphological features do not necessarily reflect molecular features. The fact that they are similar sister species does not say anything about the SCN4A gene.

The condition that best supports this experiment is the two species of snakes have different genetic mutations in the gene described above.

Mutations may be defined as sudden, stable, and inheritable changes in the genetic material of an organism.  

Both species of snake have different mutations in the same gene means that they evolved independently from each other. They undergo different mutations in the same gene that led them to express the same resistance phenotype.

Therefore, the condition that best supports this experiment is the two species of snakes have different genetic mutations in the gene described above.

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Answer:

C

Explanation:

Increased biodiversity helps diminish reliance on one species

Greater stability of the biosphere would most likely result from increased biodiversity (Option C).

In conclusion, greater stability of the biosphere would most likely result from increased biodiversity (Option C).

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Answer:

because natural selection only acts on traits that impact reproductive success.

Answer:

ATP

Explanation:

Answer:

The answer is ATP

Explanation:

During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP

Answer:

how are they making you do that in an hour

Explanation:

Answer:

An outbreak of a disease that infects squirrels in the park.

Explanation:

All the other answer choices would increase the population of squirrels. For the first option, more trees = more habitats = more squirrels to live in. For the second option, less hawks = less predators = more squirrels that will survive. For the third option, heavy rain = more acorns = more food for more squirrels.

Only the last option would limit the growth of a population of squirrels since diseases kill organisms in a population.

Answer:

Hope it helps

Explanation:

The label A represents mitochondria.

The mitochondria are also called the powerhouse of the cell which converts glucose to energy-rich molecules of ATP.

Label B represents the nucleus.

The nucleus contains the genetic material or DNA, RNA, nucleolus, chromatin fibers, and proteins. It contains the chromosomes which control the hereditary characteristics.

Label C represents the lysosome.

Lysosomes contain digestive juices which break down large cell parts and large molecules and help in intracellular digestion.

Label D represents rough endoplasmic reticulum having ribosomes.

The rough endoplasmic reticulum provides a surface for protein synthesis. It is also used to transport cellular contents from one cell to another.