The pair of characteristics that one must use to classify a fish is the presence of jaw and skeleton type. Agnatha fishes are also called jawless fishes and they lack bony skeletons. Cartilaginous fishes are composed of cartilage skeletons. Bony fishes have bony skeleton structures.
Just took the test, the answer was 100, not 2
100 because it’s had to give energy to the rabbit to get eaten by the hawk
Answer:
Bind to repressor protein and activate it
Explanation:
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