I'm thinking the answer is Carbohydrate. So the answer would be option A.
D. Mother cows have fierce maternal instincts.
True, Chordates are animals in Phylum Chordata.Chordates include all of the vertebrates, in which the notochord develops into a backbone, as well as some invertebrates. Invertebrate chordates include tunicates and lancelets.
Answer:
<em>Density-Independent</em>
Explanation:
I hope this helped you! Let me know if you have any other questions.