Answer:
C
Explanation:
It is believed that these skin features evolved from their reptilian ancestors, also from which scales share a common homology. The common ancestor is a primordial structure referred to as 'placode' that occurs in all the developing embryos in these vertebrates.
Answer: Your answer would be A
Explanation:one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
- T-Rex is my organism.
- T-Rex were extinct 65 million years ago during the K-T mass which was caused by asteroid colliding with Earth.
- No, because I don’t think it’s possible to prevent an asteroid hitting Earth. The immediate blast would have killed them no matter where the impact had occurred.
- T-Rex lived in humid tropical environment, with open forest and near rivers.
- T-Rex have big heads with forwarded eyes, strong jaws with teeth, tail which helped them with balance, and they also have powerful back legs for speed.
— hope it helps!! :)
The answer D best defines a cell.