Question

The fur color of collared lemmings changes to white at a certain time of the year.

a. Explain how the change in fur color is an advantage to collared lemmings. When temperatures rise above freezing, snow melts, which causes changes in the collared lemmings’ habitat.

b. Describe two ways warming temperatures could cause the size of the collared lemming population to decrease.

c. Describe how fur color in the collared lemming population will likely change over time as temperatures increase because of climate change.

Answer 1

The change in fur color of  collared lemmings is an advantage in the face of rising temperatures because their snow color will make them easily vulnerable to predators.

What is adaptation?

The term adaptation refers to the morphological or physiological changes that an organism undergoes in order to survive efficiently in its environment.

The change in fur color of  collared lemmings is an advantage in the face of rising temperatures because their snow color will make them easily vulnerable to predators when the snow eventually melts.

The rise in temperature will cause physiological changes in the the population of the  collared lemmings which could reduce their population size. Also, predators can now access them more easily as they become more visible.

As time goes on, the snow color of the  collared lemmings will eventually change as the animal will have to take on colors that will enable it to blend again with its new habitat and escape predators.

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