Which of the following organisms has hair? Amoeba Sponge
Earthworm
Salmon
Lizard
Kangaroo
Segmented Body
Unicellular
Common Ancestor
A. Kangaroo, lizard, salmon, earthworm, and sponge
O B. Kangaroo only
Oc. Kangaroo and cat

I think the answer is C.  None of the other animals are mammals.  

i think option (c)

if it's correct make me brainliest

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

answer; three;