Plankton Vocabulary

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