Answer:
Microlivestock is a term coined for species that are inherently small as well as for breeds of cattle, sheep, goats, and pigs that are less than about half the size of the most common breeds.
The layers above would be not as old and the layers below would be the older layers.
Organs , fins is the correct answer
Answer:
cells and structure
Explanation:
the place where they live cannot be a basis of classification