Which choice best describes a specialized cell?
a. cells that are adapted to perform all functions.
b. cells that can turn into any other kind of cell.
c. cells that have adapted to perform a specific function.
d. cells that can change what function they perform whenever they need to.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous

Polar zones are cold and tend to be dry because of a pressure system of cold. low high