why is the process of mitosis and meiosis important to a living organism? when would an organism need to undergo the process of mitosis?meiosis? what would happen if meiosis did not occur?
any links or ideas?
in what 2 waysdo plants contribute to the weathering of rocks
Mitosis involves normal body maintanence and growth, while meiosis deals with reproduction. If meiosis did not occur, the number of chromosomes would double with each generation.
I hope this helps. Thanks for asking.
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where is more likely to be overlooked.
Since this is not my area of expertise, I searched Google under the key words "Plants rock weathering" to get these possible sources:
http://www.globalchange.umich.edu/globalchange1/current/lectures/soils/soils.html
http://www.treesearch.fs.fed.us/pubs/24794
http://www.cababstractsplus.org/google/abstract.asp?AcNo=20043182041
http://bulletin.geoscienceworld.org/cgi/content/abstract/70/6/781
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VCP-4HWXJ4V-2&_user=10&_coverDate=03%2F31%2F2006&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=f3bec412b0627a9c5e910607612bcac7
There are more, if you want to continue the search. In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.
The processes of mitosis and meiosis are both crucial for the survival and reproduction of living organisms.
Mitosis is important because it allows for growth, development, tissue repair, and asexual reproduction in organisms. During mitosis, a single cell divides into two identical daughter cells, each with the same number of chromosomes as the parent cell. This ensures that genetic material is faithfully passed on and that the resulting cells are genetically identical to the original cell. Mitosis is necessary for the growth and maintenance of multicellular organisms, as it allows for the production of new cells to replace damaged or old cells.
On the other hand, meiosis is important for sexual reproduction in organisms. Meiosis is a specialized form of cell division that leads to the production of gametes (sex cells) with half the number of chromosomes as the parent cell. This halving of chromosome number is essential for sexual reproduction, as it allows for the fusion of two gametes during fertilization to restore the full complement of chromosomes in the offspring. Meiosis generates genetic diversity by randomly shuffling and recombining genetic material, resulting in offspring with unique combinations of traits inherited from both parents.
An organism needs to undergo the process of mitosis whenever it requires growth, tissue repair, or asexual reproduction. For example, when a wound heals, new cells are generated through mitosis to replace the damaged tissue. Asexual reproduction methods such as budding and binary fission also rely on mitosis to produce offspring without the need for a mate.
Meiosis, on the other hand, is necessary for sexual reproduction. Organisms undergo meiosis to produce gametes, such as sperm and eggs, which are needed for fertilization and the formation of new individuals. Meiosis ensures genetic diversity in offspring by generating different combinations of alleles (variants of genes) during the formation of gametes. This genetic variability is important for the long-term survival and adaptation of a species.
If meiosis did not occur, the resulting offspring would have the same number of chromosomes as the parent organism, leading to a lack of genetic diversity. Over time, this loss of genetic variability would make a species more susceptible to harmful genetic mutations, reduce their ability to adapt to changing environments, and hinder their overall survival and reproductive success.
For more detailed information, you can refer to the following links:
1. Mitosis:
- Khan Academy: https://www.khanacademy.org/science/biology/cellular-molecular-biology/mitosis/a/phases-of-mitosis
- Biology Online: https://www.biologyonline.com/dictionary/mitosis
2. Meiosis:
- Khan Academy: https://www.khanacademy.org/science/biology/cellular-molecular-biology/meiosis/a/phases-of-meiosis
- Nature Education: https://www.nature.com/scitable/topicpage/meiosis-the-pros-of-genetic-diversity-164/
Remember, understanding the importance of mitosis and meiosis requires a broader understanding of cell biology and genetics.