Answer:
Since life on Earth predates photosynthesis, the exploration of this deep-water environment that lacks any source of light could provide information on what those life forms looked like.
Explanation:
Answer:
C
Explanation:
The dependent variable is always the outcome, data, or what is being measured in an experiment.
Planktons primary importance to ocean ecosystems is primary production. This is<span> exhibited with phytoplankton that is photosynthetic and provides energy for </span><span>higher trophic level organisms such as nekton and bethos. They are essentially</span><span> the plants of the marine ecosystem.
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If C died off then it would affect B greatly because it is its only source of food therefore C is the answer. Hope this helped!
Ecosystem is the correct answer