Activation of the parasympathetic branch of the autonomic nervous system: a. enhances digestion.
b. causes conversion of glycogen to glucose.
c. triggers release of epinephrine.
d. increases heart rate.

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

What feature of cell theory is best demonstrated in the image

The term used to describe a disease-causing microorganism isa. virus.b. infection.c. pathogen.d. microbe.e. bacterium.