10. Quaternary consumers eat ...
o A. primary producers
o B. primary consumers
O C. secondary consumers
O D. tertiary consumers
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tertiary consumers

Explanation:

primary consumers eat the producer. Secondary consumers eat the primary consumers, and tertiary consumers eat the secondary consumers and Quaternary consumers eat tertiary consumers. It just goes down the line.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

where is the scientific experiment?