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kirza4 [7]
2 years ago
9

The process of union between egg and sperm.

Biology
1 answer:
Anestetic [448]2 years ago
5 0
It’s mitosis hope this helped !
Explanation: Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell, known as zygote. The successful fusion of gametes forms a new organism.
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The key to the evolution of altruism is that a. recipients have to be more likely to carry the altruistic allele than nonrecipie
cupoosta [38]

Answer:

The correct answer is b. actors have to be more likely to carry the altruistic allele than non actors.

Explanation:

Altruism is the behavior by an organism that benefits other organisms by costing its own fitness. The actor is the individual who is doing altruism and the recipient is the individual who is getting benefited by the actor's altruism.

An example of altruistic behavior can be seen in animal kingdom easily. Vampire bats give blood to those members of the community who were not able to go for search for blood show altruistic behavior.

Actors have altruistic genes that suggest them to behave altruistically. Non-actors may not contain alleles of altruism but the recipient might have altruistic alleles.

Hamilton's rule says that natural selection will favor the altruistic allele when rb > c.

where r = coefficient of relatedness between donor and recipient

          b = benefit received by recipient and

          c = cost paid by altruist.

Therefore, the correct answer is b.

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3 years ago
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Explanation:

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The cycads, a mostly tropical phylum of gymnosperms, evolved about 300 million years ago and were dominant forms during the age
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The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of
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Facilitated Diffusion

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3 years ago
Answer the question below brainliest for first answer
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Answer:

Your answer should be A on the first two, and b on the third!!

Explanation:

hope this helped! :)

7 0
1 year ago
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