What does a Euglena require to exhibit phototactic behavior? A.
a contractile vacuole

B.
cilia

C.
an eyespot

D.
a pseudopod

Which is the best example of plant tissue? the answer is d (just took the test)

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies