6. What are the biological pieces of evidence for evolution? Describe each of them. (Hint: there are 3) 7.. What are the pieces of evidence for evolution from a changing earth? Describe them all. (Hint: there are 3)

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

b is dominant over the allele for the white fur.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called