Mutations are the source of all new alleles. An allele is a variant form of a gene. Variations in alleles lead to variations in organisms. Positive mutations give an organism a better chance of survival. It means that the mutation may be passed on to the offspring. Negative mutations may lead to an early death.<span> Therefore, changes in alleles from one generation to another form the basis of evolution.</span>
Answer:
D
Explanation:
Icebergs form when chunks of ice break off from glaciers
The answer is the cerebrum!! Plz mark brainliest
The cerebrum is the largest part of the brain and is composed of right and left hemispheres. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement. The cerebellum is located under the cerebrum.
Fishes use the coral reef for shelter during the day as well as food.
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Information related to coral reef</h3>
One way that fish interact with a coral reef is that fish hide within the coral. Coral reefs are an important resource for large-bodied fish in the Caribbean. They use the reef for shelter during the day.
Coral reefs are important ecosystems because coral reefs contain a great diversity of life. The color of coral depends on the type of polyp present. Coral polyps are tiny little animals that can live individually, or in large colonies that comprise a coral reef.
Great Barrier Reef is considered as the largest coral reef on Earth. Coastal land development, silt runoff, water pollution by humans, damage from scuba diving, boating, and fishing are the threats to the health of coral reef.
Learn more about coral here: brainly.com/question/1143432
Answer:
another term for heterosis.
Explanation:
