Question

Answer in one word
Animals living within or on the body of other animals or plants

Answer 1

Answer:

Host

Explanation:

I hope it's correct

Answer 2

Answer:

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. ... The study of animals is called zoology. Most living animal species are in the Bilateria, a clade whose members have a bilaterally symmetric body plan.