Hey there Brainly peep!
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: polyunsaturated fatty acid residues
Explanation: Unsaturated fatty acids have a lower melting point so arctic animals have these fatty acids in their membranes.
A "micrometer" is the best unit of measurement for measuring the size of an atom.
The answer is d- <span>psychoneuroimmunology</span>
No you should be looking for any source. A disagreeing source can be used to counter it
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