Identify the two main conditions that must exist for an ecosystem to be self sustaining

An organism's reproductive strategy includes all of the following except A. The length of time parental care is given B. The amount of energy expended in producing offspring C. The number of offspring produced D.

After carbohydrates and proteins are digested, what types of smaller nutrients are absorbed into the blood

Which 2 processes allow water to enter the atmosphere

Select all that apply. which terms refer to parts of flowers? pistil. sepals. stamen. stomata. tendrils.

How often must the average person engage in activity/exercise to see improvements in cardiorespiratory endurance?

Select the correct answer. How is a conductor different from an insulator? A. The free movement of electrons within a conductor permits the transfer of charge. B. The free movement of protons within a conductor permits the transfer of charge. C.

Compare the hibiscus and spider lily pollen grain structure

Which macromolecule is responsible for catalyzing biochemical reactions?

The crystals of a mineral are always the same size.

Suppose two suspects in a crime have dna profiles that match the one dna fragment tested what should happen next