Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction<span> with water and carbon dioxide gas to produce food for the plant.</span>
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They can respond to changes in their environment which the answer is
D. Mollusks and arthropods can respond to changes in their environment, while jellyfish and sponges cannot.
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Answer:
There needs to be enough sea urchins for otters to come and there needs to be enough otters to eat the urchins.
Explanation: