A marine ecosystem may be based on phytoplankton, whereas terrestrial ecosystems are based on plants.
What are primary producers?
Primary producers are organisms that sustain the flow of matter and energy in an ecosystem.
In a terrestrial ecosystem, plants are the primary producers that sustain the life of herbivores, whereas phytoplankton is the primary producer level in marine ecosystems.
In conclusion, a marine ecosystem may be based on phytoplankton, whereas terrestrial ecosystems are based on plants.
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