Which of these is an example of a chemical change? a. dissolving salt in water b. breaking a tree branch c. burning a piece of wood d. melting water

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry