An example of commensalism would be __________.
a
a mosquito and pig
b
a bird's nest in a tree
c
a tick and a dog
d
a sea anemone and a clowfish
b
a bird's nest in a tree
a
a mosquito and pig
b
a bird's nest in a tree
c
a tick and a dog
d
a sea anemone and a clowfish
a bird's nest in a tree