The correct answer to this question is this one: "C. The plant exists as a diploid organism, and at other times as a haploid." Vascular plants exhibit alternation of generation. The alternation of generation is presented as the plant exists as a diploid organism, and at other times as a haploid.<span>
</span>
Answer:
Wedging (for the first one)
Explanation:
<span>The correct answer is A. atoms. Atoms are studied by physics and chemistry, not by ecology. Ecology studies organisms, populations, and the earth in terms of climate, pollution prevention, natural habitats and biomes, and all kinds of similar things that are related to living on earth. Atoms are irrelevant for the study of ecology.</span>
