Some reasons:
→ They're cheap and common animals.
→ They can be either a source of meat, skin (leather) or milk.
→ Farmers benefit a lot with them, since what they produce are things of everyday consumption.
→ You don't need to spend much to be able to have them (mostly only with land).
Hope it helped,
BioTeacher101
Viruses are not considered alive, because they lack certain aspects that would be considered a living organism.
Answer:
Nuclear fission is the splitting of atoms while fusion is the combining
Explanation:
fission does not occur naturally while fusion occers in stars
the way that water could change the wetland environment is that it could make it more sloppy
A DNA sequence can be compared between two different organisms to determine their relationship.