You would find scales on a bird is it feet
your answer is B. because An animal must do three things to control body temperature. First, the animal must find a source of heat. Second, it must find a way to conserve heat when temperatures in the environment are too cold. Third, it must find a way to get rid of extra heat when temperatures in the environment are too hot.
would it be acidic? since it produces lactic acid
Answer:B. Protista eggs and sperm
Explanation: helminths are parasitic worms that inhabits the intestinal tract of humans; they live within the host and have attachment organs which enable them to reside within their host; examples include: roundworms (Nematodes), tapeworms ( Cestodes) and flukes( Trematodes)