-Much larger than bacteria and viruses.
-Animal-like though makes its food by photosynthesis.
-Made up of eukaryote cells.
-Have a nucleus and organelles (unlike prokaryote bacteria).
-Most unicellular but some are multi-cellular (certain algae).
-Only found in moist environments.
-Lack tissue differentiation.
-Move independently.
-They are heterotrophic: Food vacuoles broken down into simpler particles for consumption.
-They are both free-living and parasitic.
-Zooplankton is the main Primary source of energy for organisms in ecosystem.
jim items answered the question on January 30, 2019 at 18:34
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