Answer: The amniotic egg was an evolutionary invention that allowed the first reptiles to colonize dry land more than 300 million years ago. Fishes and amphibians must lay their eggs in water and therefore cannot live far from water. But thanks to the amniotic egg, reptiles can lay their eggs nearly anywhere on dry land.
Explanation:
B. Clade 1 is ancestral to all the other clades
In an experiment, using the elodea stalk, you are able to expose more underlying tissue and the process can be executed more quickly and it's easy to replicate the natural position for a more realistic result.
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Thirty-eight because the chromosome pairs are 19 and therefore, no. of chromosome will be 38.
Answer:
Some arid climates have very very little rainfall but not none.
Explanation:
