Monterey Bay National Marine Sanctuary Questions
1. What happens to waste and dead animals in the marine ecosystem?
a. Decomposers breakdown the waste and dead animals into simple
chemicals, and they are recycled.
2. What is the most important producer in both freshwater and marine
ecosystems?
a. The most important producer in both freshwater and marine
ecosystems is phytoplankton.
3. Identify three ways organisms compete in the marine ecosystem.
a. Three ways organisms compete in the marine ecosystem are: for
food resources; for space on the rocky bottom; and for homes or
places to hide, like the hermit crab looking for an empty snail
shell.
4th Grade
Environments
Investigation 3
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The most important producer in both freshwater and marine