Multiple choice

Which of these processes happen in aquatic ecosystems (like the ocean)?

  1. photosynthesis

  2. cellular respiration

  3. decomposition

  4. all of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aquatic ecosystems involve the same fundamental biological processes as terrestrial ones. Photosynthesis occurs in algae and plants, respiration occurs in all living organisms, and decomposition breaks down organic matter.