Which statement best explains why a bird may build a nest in a hidden location? A. Birds build nests in hidden locations because it’s an innate behavior.

B. Birds build nests in hidden locations to avoid predators and decrease the probability of successful reproduction.

C. Birds build nest in hidden locations because it’s a learned behavior.

D. Birds build nests in hidden locations to avoid predators and increase the probability of successful reproduction.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above