D. small animal. A veterinary referral is when someone is told to go to a certain vet. Mixed animal can be exotics or large or small. Large animals are horses, cows, and other very big animals.
True..........................
Answer:
Cell
Explanation:
In anatomy, the basic structural unit of the body is the cell. All living organisms have cells, which start as the zygote — the single cell at the beginning of life, after a spermatozoa fertilizes an oocyte. In humans, the body has more than 200 different cell types.
