Which of the following are most likely to be keystone species in an ecosystem?

A. small-bodied, primary consumers

B. symbionts

C. large-bodied, higher level consumers.

D. producers

The act or process of changing position and/or direction is called OA. distance ОВ. acceleration C. motion D. force

How many alleles does a baby guinea pig inherit from the mother?

What conclusion can be drawn from the rat outbreak hypothesis for Easter Island? A. The introduction of nonnative species has environmental consequences. B. Climate changes have environmental consequences for all inhabitants of an environment. C.

How many bones we have in our body

Which organisms are the most diverse forms of life?

What wilhappen if fertillization is doone when no egg is released,

Cataplexy is a sleep disorder in which: a. atonia suddenly occurs in an awake, alert individual. b. atonia does not occur during REM and people "act out their dreams." c. one cannot go into REM sleep. d. one is overcome by a sudden urge to sleep.

A chemical found in urine that is produced from breaking down of proteins is called ___.

What determines the amount of energy a human can recieve from food

What does this diagram represent? A) DNA B) RNA C) a gene D) an allele