Answer:
Goal of meiosis: To produce gametes with half the number of chromosomes as compared to the somatic cells.
Each parent cell produces four daughter cells by the end of meiosis.
Explanation:
The goal of meiosis is to produce gametes for sexual reproduction. Since male and female gametes fuse to produce a zygote, each of the gametes should have half the number of chromosomes as compared to the somatic cells to prevent the doubling of chromosomes by the end of each round of sexual reproduction.
Therefore, meiosis produces haploid gametes from diploid gamete mother cells. Absence of DNA replication between meiosis I and meiosis II ensures that the number of chromosomes is halved in the daughter cells of meiosis. Additionally, meiosis also imparts genetic variations to the progeny by the process of crossing over.
A diploid parent cell enters meiosis I and produces two haploid daughter cells which in turn enter meiosis II to produce a total four haploid daughter cells.
If two organisms were locked in an antagonistic co-evolutionary relationship the one who's generation time is shorter. It is the relation between males and females where sexual morphology changes over the time to counteract the opposite sex traits to achieve the maximum reproductive success.
Co-evolution does not necessarily require the presence of antagonism. The characteristics within group of unrelated species may converge to allow individual species to exploit valuable resources or increase protection.
Co-evolution is a reciprocal evolutionary change in set of interesting populations over the time resulting from the interaction between those population.There are some examples of co-evolution such as herbivores and plants and the relation between herbivores species and the plants that they consume.
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Fission and fusion are nuclear reactions that produce energy, though they are not the same. Fission is the splitting of a heavy and unstable nucleus into two lighter nuclei. Fusion is the process where two light nuclei combine together releasing vast amounts of energy.
Answer:
The formula for the volume of a sphere is V = 4/3 πr³. See the formula used in an example where we are given the diameter of the sphere.
Explanation:
