A drought would most likely cause there to be a scarcity of food for the ground finch, because the plants/seeds that it feeds on would be dying at a higher rate without water. The resulting scarcity of food would be a selective pressure against the finches, meaning only the finches that had certain adaptations would survive the drought and be able to reproduce.
For instance, maybe the drought kills most of the plants that have small seeds and doesn't kill as many plants with large seeds. In this case, the ground finches that have larger beaks would be more well adapted to eat the available food and survive the drought. They would then reproduce at a higher rate than finches with smaller beaks, and therefore they would pass on their genes to the next generation. As generations passed the large-beak ground finches would be more common in the population and the small-beak finches would become less common.
Answer:
Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach
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Answer:
The ATP molecule stores and creates energy. If this is not a multiple choice, then stores and increases energy is the most likely candidate.
Explanation:
ATP is able to store and transport chemical energy within cells. ATP also plays an important role in the synthesis of nucleic acids.
Yes, where the axon and dendrite end send the messages is the synapse and the electrical messages are known as neurotransmitters
Answer:
can cause cancer.
Explanation:
The DNA damage is mostly repaired by the repair mechanisms present in cells. If DNA damage is not repaired, it can cause a random change in the genetic material of the organism. These changes in the DNA are permanent and are called mutations. Mutations may be adaptive or harmful. Mutations in a protooncogene leading to overproduction of protein to allow uncontrolled cell division can cause cancer. Similarly, a loss of function in tumor suppressor genes also causes cancer.
