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Mrrafil [7]
3 years ago
5

Selectively cutting down trees on an area of land can be best described as ?

Biology
1 answer:
mojhsa [17]3 years ago
6 0
The answer is most likely A) cutting down certain trees while leaving other standing.
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I believe the answer is the second one.
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3 years ago
When is selective breeding okay and when is it not? Provide evidence.
jonny [76]

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Farmers have been using selective breeding for improving their crop qualities and producing animals with better characteristics.

improved so that mankind can benefit from it.

Selective breeding is not okay on a bigger level where it might eradicate the natural varieties of plants and animals completely.  When done on a larger level, the wild-type traits of plants and animals will change and be removed completely. This will lead to lesser genetic diversity.

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The picture illustrates three cross sections of rock layers from three different areas.
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hii can u PLZ put up the picture so that I can help u with this.Have a great day or night

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3 years ago
What are some possible consequences of a mutation? Give a specific example for each consequence you list.
Tju [1.3M]
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations<span> occur in non-reproductive cells and won't be passed onto offspring. For example, the golden color on half of this Red Delicious apple was caused by a somatic mutation. Its seeds will not carry the mutation.
</span>

A single germ line mutation can have a range of effects:

<span><span>No change occurs in phenotype.
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.</span><span>Small change occurs in phenotype.
A single mutation caused this cat's ears to curl backwards slightly.</span><span>Big change occurs in phenotype.
Some really important phenotypic changes, like DDT resistance in insects are sometimes caused by single mutations. A single mutation can also have strong negative effects for the organism. Mutations that cause the death of an organism are called lethals — and it doesn't get more negative than that.</span></span>
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Which of the following are not required for clot formation?
Gemiola [76]
C hope it helps you. Thanks and have a great day
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3 years ago
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