The separation of populations by a barrier such as an ocean is called

a. geographic isolation.
b. temporal isolation.
c. genetic equilibrium.
d. behavioral isolation

why are common names not always useful to biologists?

a. they are in latin.
b. they are too long.
c. they can apply to more than one animal.
d. they require the use of a dichotomous key.

An adult who follows a 2000-kcal healthy u.s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla