This is a simple food web found in an ocean ecosystem.
Identify an example of an organism from the food web which obtains food using the method of nutrition named in the table.
Autotroph | |
Heterotroph |
Identify an organism (or a group of organisms), not shown in the ocean food web, which feeds on all trophic levels of the food chain.
Each of the three sentences about ecosystems contains one error.
- In a functioning ecosystem, organisms are constantly recycled.
- Detritivores obtain inorganic nutrients from the abiotic environment and convert them to organic molecules during photosynthesis.
- Decomposition is fundamental in ensuring that ecosystems remain unsustainable over long periods of time.
Identify and replace the incorrect word in each sentence.
Where does the organism in the first trophic level of this ocean food web obtain the carbon that it uses to build organic molecules?
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