What Are the Two Basic Requirements for Life to Exist

Q13: What is the function of proteins?<br>A) contains

Q14: _ are fossilized remains of colonies of

Q15: Which describes the direct change in genetic

Q16: Why is it difficult to find fossils

Q17: Match the item with its description.

Q19: A unique property of water is that

Q20: The most likely first form of life

Q21: In all living things on Earth, the

Q22: A(n) _ can thrive in extreme conditions,

Q23: Was oxygen a part of Earth's early