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frozen [14]
2 years ago
7

The theory of evolution is controversial among some people, but not among scientists. Lots and lots of evidence support this the

ory. Some of the strongest evidence comes from the fossils of other hominids - human-like skulls, for example, have been found on many continents, revealing that we didn't always look the way we look now. We can also see why we evolved the way we did. For instance, humans (and other great apes) didn't grow thumbs because we thought they'd make it easier to pick things up. Instead, a series of likely hundreds of slight mutations moved the thumb to its current place because those animals with opposable thumbs were better able to survive and reproduce. That's what evolution is all about: tiny changes in organisms of a species over a huge amount of time.
Which of these would provide the best evidence for the theory of evolution?

A
fossils of ancient tigers that had larger ears than tigers have today

B
oil found deep under the ice sheets of Antarctica

C
a person’s hair growing faster in the summer than it does in winter

D
ancient maps that show that countries had different borders long ago
Biology
2 answers:
Aleksandr-060686 [28]2 years ago
7 0
I believe answer is number a
jasenka [17]2 years ago
5 0

Answer: A

Explanation:

"That's what evolution is all about: tiny changes in organisms of a species over a huge amount of time."

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3 years ago
Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus
4vir4ik [10]

Answer:

The correct answer is c.With an RNA virus, radioactive RNA would have been in the final pellet.

Explanation:

Hershey and Chase infected<em> E.coil</em> with bacteriophage which was having DNA as its genetic material. The bacteriophage was labeled with radioactive sulfur and radioactive phosphorus and it was radioactive phosphorus that was found in the bacterial cells or pellet.  

As because DNA contains phosphorus, not protein therefore they it was proved that DNA is the genetic material. Similarly, RNA is also a nucleic acid which is genetic material for many viruses and contains phosphorus.

So if Hershey and chase might have chosen an RNA virus then radioactive RNA would have been present in the pellet. So the correct answer is c.

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3 years ago
One of the characteristics of life is to acquire energy. What is the energy used for?​
ANEK [815]

Answer:

All organisms use a source of energy for their metabolic activities. Some organisms capture energy from the sun and convert it into chemical energy in food (photosynthesis); others use chemical energy in molecules they take in as food (cellular respiration)Explanation:

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4 0
2 years ago
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slega [8]

Answer:

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Explanation:

If a cross is made between a female who is RRpp (rose comb) and a male who is rrPP (pea comb)  then:

P: RRpp  x  rrPP

F1: RrPp RrPp RrPp RrPp

This means that all of the offspring in F1 generation will have heterozygous genotype (at both loci). Since it contains both dominant alleles, the phenotype is walnut comb.

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2 years ago
The term extinction applies to the eradication of an entire what ??
mojhsa [17]

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