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mixas84 [53]
3 years ago
15

Why do some species employ both mitosis and meiosis, whereas other species use only mitosis? See concept 13.2 (page 258)?

Biology
2 answers:
svetlana [45]3 years ago
7 0
Some species cell division produces reproductive cells in sexually reproduce organisms
beks73 [17]3 years ago
6 0

Answer:

Sex cells divide through meiosis and non sex cells divide through mitosis in animals while in plants sex cell divide through both mitosis and meiosis

Explanation:

In humans and all other animal species, the non sex cells such as skin cell, muscle cell, blood cells etc. divided by mitosis. It is so because these cells deplete at a fast rate and hence their retrieval also needs to be fast. Also these are diploid cells hence cell divide through mitosis. Sex cells such as male and female gametes are haploid cells and hence their divide through meiosis.  

In plants gamete formation requires both mitosis and meiosis cell division.  

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In the mid- 1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to increasingly colder temperatu
grigory [225]

Answer:

Charles Darwin

Explanation:

Natural selection, most famously proposed by Charles Darwin, states that when presented with an environmental challenge, some individuals in a species will develop adaptations to face these challenges. Successful individuals will be more likely to mate and their offspring will inherit these adaptive traits, and will continue to pass for generations.

In this sense, plants face the challenge of the cold. Those that adapt to the cold will survive and reproduce, those that can't adapt to the cold will die. Eventually, only plants that can tolerate the cold will survive.

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3 years ago
What explains a child's growth over time?
garik1379 [7]

Answer:

New cells with identical DNA are created through cell division.

Explanation:

3 0
3 years ago
What is the primary hypothesis for the extinction of large mammals such as mammoths?
mihalych1998 [28]
<span>The primary hypothesis is that they were led to extinction by hunting by humans.

I hope this helps! :)
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6 0
3 years ago
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when members of a population are separated from each other by a physical barrier, causing new species to develop.​
My name is Ann [436]

Answer:the species could be seperated by many differnt barreirs like a storm that destroys a habitat and the species is split up but this does not mean that a new species would develop.

Explanation:

This is because the only reason new speices would develop is if when they get seperated the species move to a new environment forcing them to adapt.

5 0
3 years ago
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dimulka [17.4K]

Answer:

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