Which behavior is a response to an external stimulus? EXPLAIN WHY A. An elephant drinks water to quench its thirst.

B. A dog vomits during an illness to rid itself of pathogens.

C. A child gets a fever to fight off the flu.

D. A turtle suns itself on a rock during a cool day.

D

Explanation:

External means outside of, internal is within. The question is asking for external stimulus. Answers A-C are internal: thirst, fever and illness.

life would be meaningless without memes

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )