The axon has several roles in the neuron except:

a. action potential.

b. carring a neural impulse.

c. encased by myelin sheath.

d. receiving messages from other cells.

e. depolarization.

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi