Answer:
A.) Core
Explanation:
Core definition: a central and often foundational part usually distinct from the enveloping part by a difference in nature.
Rabbit, insect are biotic meaning living.
1. observing
2. forming hypotheses
3. testing hypotheses
4. analyzing data
5. evaluating results
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The correct answer to question is Nucleic Acids, (DNA) AND (RNA).
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Eukaryotes have a nucleus (like animal cells) but prokaryotes do not have a nucleus (they are plant cells)
