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Rasek [7]
3 years ago
11

How do environmental, selective pressures, shape the evolution of organisms?

Biology
1 answer:
jok3333 [9.3K]3 years ago
4 0
If there is an environmental or selective pressure it will contribute to the evolution of an organism by giving an adnantage to the organisms of a population who have a trait which allows them to survive that change. The advantageous genes will be passed on and the number of organisms with the desirable feature will increase over time, however the number of organisms that lack the characteristic will decrease over time. This is evolution by natural selection.
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Which reproductive method is the only one available to mosses and ferns?
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Answer:

Alternation of generation with both sexual and asexual

Explanation:

In mosses, the dominant plant is called a gametophyte while in ferm the dominant is sporophyte. Gametes are produced by the gametophyte and fertilization occurs forming an embryo. The embryo develops into a plant called the sporophyte.

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Why do salmon go to feed in the ocean ?
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3 years ago
Marcus is admitted to the hospital for a bone marrow stem cell transplant from his brother.What will happen after his brother's
EastWind [94]
The stem cells will divide through mitosis to create diploid stem cells.
8 0
3 years ago
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If you are conducting a monohybrid cross of tall (dominant) and dwarf (recessive) plants, the recessive trait in the F1 plants _
Free_Kalibri [48]
The recessive trait in the F1 plants appears in a ratio of 3:1.
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3 years ago
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3. Which of the following is an accurate description of mitosis and meiosis? A. Meiosis produces two haploid daughter cells, whi
maria [59]

The correct answer is - B. Mitosis produces two diploid daughter cells, while meiosis produces four haploid daughter cells.

The processes of mitosis and meiosis are often confused with one another, mostly because of the similarity in their names.

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The meiosis is a type of cell division where the end result is four daughter cells, each of the cells having half the number of chromosomes of the parent nucleus. This is typical for the gametes and the plant spores.

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3 years ago
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