1 If the environment never changes, evolution may not occur.

(A) True

(B) False

What does the octet rule state that explains why atoms bond? An atom bonds to have eight valence electrons to become stable. An atom bonds to lose eight valence electrons to become stable.

Gene flow is partially responsible for - genetic sameness. -genetic variation.

Choose the mutation that you think has caused Calix's calico fur coloring. Form a hypothesis to explain your reasoning. You will be able to revise your hypothesis as you collect more data.

I. What is the difference between a asteroid and a meteor?

proteins are used for many structural functions such as in the acting and myosin in muscle or as a part of the cytoskeleton scaffolding that maintains cell shape. what other main function do proteins serve?

Science Riddle of the Day: Whats The Most tiniest Virus Ever?

Why does everyone think that a snowflake is snow

All but one factor plays a part in water movement in and out of the cell. That is A) the presence of sodium potassium pumps. B) the concentration of solutes inside the cell. C) the concentration of solutes outside the cell.

Genetic diversity is ultimately/mainly the result of

What is the most likely effect of a drought on a population of frogs that's live in a shallow swamp