Answer:
b
Explanation:
they are fighting for the same things so it would be competition
D to help the organism to reproduce
Waves are an important feature of the ocean surface because they balance climates by regulating surface tension on the water.
"D: A new gene, which codes for the protein that can repair defective genes, is introduced."
Explanation: <span>Gene therapy is an experimental technique that uses genes to treat or prevent disease. In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery.</span>
Its called <span>Aortic Arches. Once the earthworm ingests their food it goes straight through their </span>digestive<span> tract which goes down the </span>esophagus<span> then through the crop and gizzard.</span>