Describe the role of variations in the adaptation and speciation of the Galapagos island finches.

1 answer:

5 0

I don't have specific details of the finches with me right now, so you might have to use your book for the exact details, but the specializations mostly have to do with their beaks.
Some of the finches developed long and narrow beaks to reach into tree trunks and eat bugs while other finches developed hard robust heads and beaks strong enough to crack nuts
The different adaptations of the finches allows for each one to fill its own niche.

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Which statement describes asexual reproduction but not sexual reproduction

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Answer:

The question is incomplete, the correct question is;

Which statement describes asexual reproduction, but not sexual reproduction? A) New organisms are formed only after fertiliztion. B) A single cell will not develop into a full organism. C) Daughter cells contain half the genetic material of the parent cell. D) Daughter cells contain the same genetic information as parent cells.

Answer is option D. Daughter cells contain the same genetic information as parent cells.

Explanation:

The process in which organisms creates their offspring is called reproduction and the two types of reproduction are asexual reproduction and sexual reproduction.

In asexual reproduction, the offspring are produced from a single parent. They are genetically identical to each other and to the parent. Binary fission, fragmentation, and budding are the different methods of asexual reproduction. Examples of organisms which reproduce through asexual reproduction include bacteria, yeast, amoeba, hydra etc.

In sexual reproduction, the offspring are created by two parents and they are genetically unique. The gametes are reproductive cells present in the parents, produced by meiosis. They are haploid cells containing only half the number of chromosomes. The process in which the gametes from two parents combine to form a zygote (fertilized diploid cell) is called fertilization, where the zygote has twice the number of chromosomes. The zygote develops into a fully formed organism, which has a unique combination of characteristics inherited from both parents.