planton cross word

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Across
  1. 2. other organisms.
  2. 5. Free-swimming aquatic organisms, such as fish and squid, capable of active movement.
  3. 6. Small crustaceans that are a common type of zooplankton.
  4. 8. A type of phytoplankton with a silica-based cell wall, often shaped like a glass shell.
  5. 10. Small animals that feed on phytoplankton or other zooplankton.
  6. 11. Tide: A bloom of harmful, often toxic, phytoplankton that can lead to the discoloration of water.
  7. 16. Planktonic organisms that spend their entire life cycle in the planktonic phase Meroplankton: Planktonic organisms that spend only a part of their life cycle as plankton.
  8. 17. Organisms that produce their own food through processes like photosynthesis.
  9. 18. A rapid increase in the population of planktonic organisms, often causing discoloration of the
  10. 19. Unicellular algae that can be both phytoplankton and sometimes bioluminescent.
  11. 20. Organisms that obtain their energy by consuming other organisms.
Down
  1. 1. Larger-sized plankton, visible under a microscope.
  2. 3. A close and long-term interaction between different biological species.
  3. 4. Zooplankton that remain in the planktonic phase throughout their entire life cycle.
  4. 7. Microscopic, photosynthetic organisms that form the base of the aquatic food chain.
  5. 9. Level: The position an organism occupies in a food chain, indicating its feeding relationship
  6. 12. Microscopic organisms that drift or float in aquatic environments.
  7. 13. Pertaining to the bottom of a body of water; organisms living on or in the substrate.
  8. 14. Depth: The depth in the water column where the rate of photosynthesis equals the rate of
  9. 15. Extremely small-sized plankton, smaller than microplankton.