Assuming that you're talking about two homozygous seeds (RR and rr), 75% of the seeds would be round, and the other 25% would be wrinkled.
Answer - C. Reproduction
Reasoning - This was answered before within the community. Here's a reasoning why I chose the answer. - Just like a hydra they are abundant since they can reproduce asexually without having to reproduce with a mate, which means they the ecosystem can eat they and keep the active food chains going.
Answer:
A. The smooth, clear rock layers
Explanation:
Answer: The sun
Explanation: Primary producers obtain their energy via the sun through the process of photosynthesis.
