1.
Microscopic organisms that drift or float in aquatic environments
2.
Microscopic photosynthetic organisms that form the base of the aquatic food chain
3.
Small animals that feed on phytoplankton or other zooplankton
4.
Planktonic organisms that spend their entire life cycle in the planktonic phase
5.
Planktonic organisms that spend only a part of their life cycle as plankton
6.
A type of phytoplankton with a silica-based cell wall often shaped like a glass shell
7.
Small crustaceans that are a common type of zooplankton
8.
Unicellular algae that can be both phytoplankton and sometimes bioluminescent
9.
Pertaining to the bottom of a body of water organisms living on or in the substrate
10.
A rapid increase in the population of planktonic organisms often causing discoloration of the water
11.
Freeswimming aquatic organisms such as fish and squid capable of active movement
12.
Organisms that obtain their energy by consuming other organisms
13.
Organisms that produce their own food through processes like photosynthesis
14.
Largersized plankton visible under a microscope
15.
Extremely smallsized plankton smaller than microplankton
16.
Zooplankton that remain in the planktonic phase throughout their entire life cycle
17.
The depth in the water column where the rate of photosynthesis equals the rate of
19.
A bloom of harmful often toxic phytoplankton that can lead to the discoloration of water
20.
A close and longterm interaction between different biological species
21.
The position an organism occupies in a food chain indicating its feeding relationship
