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Temka [501]
3 years ago
15

Discuss the importance of fossil records in identifying the level of evolution took place in the planet earth

Biology
1 answer:
balu736 [363]3 years ago
7 0

Answer:

Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. Paleontologists can determine the age of fossils using methods like radio metric dating and categorize them to determine the evolutionary relationships between organisms

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The normal human karyotypes contain 22 pairs of autosomal chromosomes and one pair of sex chromosomes.

Therefore the best answer choice is:

<span>B. 1 pair of sex chromosomes and 22 pairs of autosomal chromosomes are pictured.

</span>A karyotype is an organized profile of a person's chromosomes. Two chromosomes specify sex, XX for female and XY for male. The rest are arranged in<span> pairs, numbered 1 through 22, from largest to smallest.</span> 
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What will most likely happen if the population of poison dart frogs drops due to a viris
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The population of the dart frogs drop.

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Which of the following statements about osmosis is correct?
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Answer:

D. The presence of aquaporins (proteins that form water channels in the membrane) should speed up the process of osmosis.

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The rate of diffusion by channel proteins is higher than simple diffusion therefore the aquaporins speed up the process of osmosis. No ATP is required to transport the water through aquaporin channel proteins.

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I believe it goes in the following order top down

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