What kind of energy is most important when we are discussing ecosystems?

Solar Energy

Explanation:

The reasoning is most of the energy comes from the Sun to support ecosystems and help them grow, such as various plants.

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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.

feral cats are estimated to eat tens of millions of native animals each night in australia