What Is the Difference in the Adaptation of a Sled

question 5

Multiple Choice

What is the difference in the adaptation of a sled dog's (such as a Husky) thick coat of hair to help it withstand the cold temperatures of Arctic winters and a dog that adapts to cold temperatures in the fall by growing a thickened coat? The adaptation of the sled dog best describes adaptation at the ____________ level while the dog exposed to seasonal colder temperatures has _____________.

• A) regional; natural selection at the individual level
• B) individual; physiological modifications at the population level
• C) population; physiological modifications at the individual level
• D) species; natural selection at the population level
• E) ecosystem; physiological modifications at the individual level

---

Definitions:

3PG

3-phosphoglycerate, an intermediate in the glycolytic pathway and the Calvin cycle, crucial for the synthesis of glucose and other carbohydrates.

CAM Plant

A plant that utilizes Crassulacean Acid Metabolism, an adaptation allowing them to conserve water by opening stomata and admitting CO2 during the night.

Food Plants

Plants that are grown or harvested for human consumption, providing essential nutrients and calories.

CAM Plants

Plants that use Crassulacean Acid Metabolism, a photosynthetic adaptation to arid conditions, allowing them to fix carbon dioxide at night.