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.

it's unlikely a majority of a large population would agree on issues

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the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.