Which of the following is most likely the result of an organism having lipids in
its body?
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a. a fish moves up the river to spawn.
o
b. a walrus stays warm in the cold ocean.
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c. a reptile slows down in colder temperatures.
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d. a chipmunk buries nuts for the winter.

  The fish moves up the river to spawn, a walrus stays warm in the cold ocean are the results of an organism having lipid in its body.

Explanation:

The fish have energy deposited in the form of fat or lipids, they do not feed during spawning and gets energy from the fats.

A walrus has good insulation of fat layer over their bodies as they live in the arctic region. The thick layer of lipid/ fat helps it to survive in freezing temperatures.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.