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julsineya [31]
3 years ago
9

Ally is a junior high student who has just learned about the carbon cycle in school. She is concerned about the environment and

decides to construct a model of the carbon cycle in her community.
Ally wants to reduce the amount of carbon dioxide in her local area. What are two different things that Ally could do to reduce the amount of carbon dioxide in the atmosphere? Explain how each would reduce the amount of carbon.

Biology
1 answer:
Paraphin [41]3 years ago
6 0

Answer:

What are two different things that Ally could do to reduce the amount of carbon dioxide in the atmosphere?

1) Control the amount of Deer in the environment.

2) Car reduce the amount of Cars in the environment.

Explanation:

1) The deer feeds on leaves from the trees, which means that aside from the deer breathing out carbon dioxide, the deer also reduces the efficiency of the tree taking in the carbon dioxide because the deer feeds on the leaves.

2) The car emits Carbon monoxide which has more carbon concentration, therefore a reduction of car in the environment is very helpful.

Note that I did not say anything about Fumigation of insects, because they help trees in plant pollination, and this helps the trees they take in the carbon dioxide grow better.

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a) 1/2 red, 1/2 pink; b) all pink; c) 1/4 red, 1/2 pink, 1/4 white; d) 1/2 white, 1/2 pink

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The flower color trait in snapdragons shows incomplete dominance: the heterozygous genotype produces an intermediate phenotype between the two different homozygous genoytpes.

<u>The possible genotypes and phenotypes are:</u>

  • R1R1 : red
  • R1R2: pink
  • R2R2: white

<h3>a. R1R1 X R1R2 </h3>

The R1R1 individual only produces R1 gametes. The R1R2 parent produces 1/2 R1 gametes and 1/2 R2 gametes.

<u>For that reason, the F1 will be:</u>

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<h3>b. R1R1 X R2R2 </h3>

The R1R1 individual only produces R1 gametes. The R2R2 parent only produces R2 gametes.

<u>For that reason, the F1 will be</u> :

  • 100% R1R2 (pink)

<h3>c. R1R2 X R1R2 </h3>

Both parents are heterozygous. This is a monohybrid cross, and from Mendel's Laws <u>we expect the following offspring:</u>

  • 1/4 R1R1 (red)
  • 2/4 R1R2 (pink)
  • 1/4 R2R2 (white)
<h3 /><h3>d. R1R2 X R2R2</h3>

The R1R2 parent produces 1/2 R1 gametes and 1/2 R2 gametes. The R2R2 individual only produces R2 gametes.

<u>For that reason, the F1 will be:</u>

  • 1/2 R2R2 (white)
  • 1/2 R1R2 (pink)
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