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3 years ago

Compare the similarities and differences between natural selection and artificial selection

1 answer:

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Similarities: Natural Selection and Artificial Selection both result in the alteration of the gene pool. It can also change phenotypes of different species'.

Differences: Artificial Selection is when a specific trait is not wanted, and so it is not bred.

For example, humans did not like how yellow peas looked. They liked the healthy looking green better. So, they killed the yellow peas, and bred the green peas with other green pea plants, and right now it is almost completely out of our gene pool.

Natural Selection is when something naturally occurs, such as a natural disaster, famine, plague, invasive species introduction.

For example, if 10 camels lived in a desert, but one of them didn't have as good of a metabolism and stayed full longer, then that one would survive, while the others might not.

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Changing the surface area affects the reaction rate.

Explanation:

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3 years ago

6. Which of the following statements about protists is true?

VikaD [51]

<h3>Answer:</h3>

The Correct answer is... C. Protists are a catch-all group for eukaryotes that aren't plants, fungi, or animals.

<h3>Explanation:</h3>

Let's break it down!

~~~

A. Protists are all heterotrophic.

The given statement in answer choice A. is (partially correct) FALSE.

The following statement is TRUE... The protist is classified as either autotrophs or heterotrophs.

~~~

B. Protists can't live in freshwater.

The given statement in answer choice B. is also FALSE.

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~~~

C. Protists are a catch-all group for eukaryotes that aren't plants, fungi, or animals.

The given statement in answer choice C. is CORRECT!

TRUE... As the catchall term for eukaryotic organisms that are not animals, plants, fungi, or any single phylogenetically related group, it is not surprising that few characteristics are common to all protists.

~~~

D. Protists are all parasitic.

The given statement in answer choice D. is (partially correct) FALSE.

TRUE... Many protists are pathogenic parasites that must infect other organisms to survive and propagate.

~~~

Therefore, the correct answer choice is C.

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2 years ago

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3 years ago

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3 years ago

Read 2 more answers

What do stabilizing selection and directional selection have in common

pogonyaev

Answer:

Both are type of natural selection and ultimately lead to selection of a set of phenotype over the entire available genotype spectrum.

Explanation:

Both the stabilizing selection and directional selection are two forms of natural selection

Also in both the selection process, a new population with a better fitment to the prevailing environmental and physical conditions evolves.

In stabilizing selection, an average phenotype is selected over extreme variation. However, by this process of selection the genetic variance of the population will decrease.

However in directional selection, phenotypes at one end of the existing variation are selected over the entire spectrum

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3 years ago