Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
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Answer:
they probably would have been in property because most US citizens at the time made money by selling slaves or making their slaves dance and tell Fortunes in order to make money
The answer is B that should be the answer
Ecologists are unsettled on whether or not any truly commensal interactions among organisms take place or not because it depends on the kind of organisms. When a bird makes a nest in a tree and lays eggs, the eggs are definitely safe. This procedure does not harm the tree directly, but it can stop the sunlight from reaching some parts of the tree. This actually shows that the bird has benefited from the situation but the tree has lost out.
