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marusya05 [52]
3 years ago
13

Which best summarizes the concept of natural selection? A. an organism will always adapt to its environment B. a mutation always

makes a species fitter C. the fittest organisms survive and reproduce D. an organism will always mutate to survive
Biology
2 answers:
miss Akunina [59]3 years ago
7 0

Answer: C

Explanation:

A.P.E.X

Charra [1.4K]3 years ago
6 0
<span>the one that best summarizes the concept of natural selection is : c. the fittest organisms survive and reproduce take girrafe for example. In the past, there were girrafes with long necks and there were girrafe with short necks. The girrafe with short necks were unfit to live in the environment where they obtain their foods from taller trees. So , only the long necked one that managed to survive and reproduce</span>
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Answer:

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in some tolerant fish, the trigger for the changes that can be caused by PCB levels are can be turned off which allows some fish to survive levels of PCB thousands of times higher than the levels affecting sensitive fish.

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I don't think that all fish can get speedy evolutions like the killfish did because researchers think that they got a rare mutation which helped them survive. However as researchers say, in smaller populations with less diversity the chances that a rare mutation might happen is small.

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Once the water becomes clean, a tolerant fish with the mutation won't do as well as a sensitive fish would do.

Explanation:

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3 years ago
Which person would need more body fat than the others? a. A pregnant woman b. A high school basketball player c. A professional
-Dominant- [34]

Answer:

The correct answer is: A) a pregnant woman.

Explanation:

Bodybuilders in particular need the lower body fat percentage possible in order to succeed in their career, since most of their bodies must be muscle. Professional ballet dancers need to be light and skinny to be able to perform their dance moves and to be lifted by their partners; a basketball player also needs a lower fat percentage and a higher muscle mass percentage to be able to play at his best; and a ranch hand as well needs to not be packing that much fat in order to make his job easier.

Pregnant women, however, need body fat to have healthy pregnancies. This doesn't mean that they do not need to take care of themselves, because a higher body fat than what it's needed can lead to diabetes, high blood pressure and can difficult the pregnancy.

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How can fossils be used to show the evolution of modern species?
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Fossils can be used by examine their analogous structures...... give him Brainliest

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3 years ago
What were Punnett squares developed to do?
WITCHER [35]

Answer: to predict the probability of offspring genotypes

Explanation: Punnett squares are developed to predict the probability of offspring genotype. Punnett square is a square shaped diagram used for predicting the possible genotypes of a cross between two organisms. Punnett square is named after Reginald C. Punnett, who invented the approach. In punnett squares, the genotypes of the parents are written on the top and left hand side of the square while the possible genotypes of their offsprings are written in the boxes.

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