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castortr0y [4]
3 years ago
10

Please please please help me on me I need it ASAP ​

Biology
1 answer:
iren2701 [21]3 years ago
3 0
The answer is
1. C
2. B
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When do the people living in houses on the edge of the ecosystem spray general purpose insecticide to kill a wide rangeOf insect
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The manila grasshopper has several benefits to ecosystem and humans.

  • In general it facilitates decomposition and regrowth of plants by creating a balance between the types of plants that grow well.
  • Like other animals, grasshopper eats and excretes in the soil. Its waste increases the fertility of the soil and promotes plant growth.
  • Grasshopper body is rich in protein, on its death microorganisms break down its body and enrich the soil and helps plants to grow.
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3 years ago
bedbugs are parasites? Explain your reasoning using what you’ve learned about parasitic relationships.
velikii [3]

Explanation:

Bedbugs are parasites that rely on blood to survive. They can feed on the blood of any mammal, although they appear to prefer the blood of humans. They are attracted to the warmth surrounding mammalian bodies and the carbon dioxide present in breath expiration. It is usually these factors that guide bedbugs to locate a suitable host for feeding. DOES THIS HELP?

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3 years ago
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Bruce Wallace (1963) established a laboratory population in which the recessive allele lt was at a frequency of 0.5. He propagat
Alenkinab [10]

Answer:

a. True

Explanation:

Bruce Wallace was a professor emeritus of genetics who performed many population studies. He worked in 1958 at the University of Cornell as a professor of genetics. In 1963, he performed a population study wherein the recessive allele <em>It </em>was at a frequency of 0.5. The population was propagated for 10 generations and the frequency of <em>It</em> for each generation was determined.

The result of this study showed that<em> lt/lt </em>died without reproducing, whereas, individuals with genotype <em>+/+ </em>were normal.

8 0
3 years ago
Why do steeper mountain slopes have faster rates of erosion by<br> rivers and streams?
rjkz [21]
Mountain slopes have faster erosion because it is easier for fast moving bodies of water to carry down eroded material downhill, rather than across flat land.
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3 years ago
Explain the advantages of red blood cells passing through a capillary one at a time.
algol [13]

Answer:

The advantage of this is that there is a larger surface area exposed, more time available and shorter difference for exchange of oxygen.

Explanation:

5 0
3 years ago
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