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Vikentia [17]
3 years ago
7

Select all the potential effects of damming a river.

Biology
1 answer:
bonufazy [111]3 years ago
7 0

The answer is; C & E

Building a dam alters the water regime down the dam. The dam also affects fish migration along the river, alters the transportation of sediments by the river downstream, and changes temperatures within the local environment of the dam. These changes, however, the subtle effect the ecosystem around the dam and down the river. The potential energy of the water held by the dam is, however, high and used to produce more electricity.  

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An ecologist observes that a population of plants in a meadow has flowers that may be red, yellow, white, pink, or purple. hypot
andriy [413]
The possible inheritance pattern might be that the colors are governed by just one gene with multiple alleles. There could be simple dominance and incomplete dominance factors as well given the 5 flower color characteristics. 
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3 years ago
Which of these is NOT a type of local wind?<br> A. Valley<br> B. Glacier<br> C. Mountain<br> D. Sea
Tresset [83]

Answer:

B. Glacier

Explanation:

Sea breezes, land breezes, mountain breezes, and valley breezes are all types of local winds. Glacier are NOT related

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<u><em>Hope this help :)</em></u>

6 0
2 years ago
Which action is most likely to stop succession and make an ecosystem less
Oksanka [162]

The answer is D.  Because planting nonnative species is bad for the area because the plants that normally grow there have to compete with that new species then.  

6 0
2 years ago
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Permeable rock layers or sediments that transmit ground water freely are called ___.
bearhunter [10]
B, Aquifers, hope this helps
5 0
3 years ago
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Which statements are true about variations in the genetic code?
Murrr4er [49]

Answer:

<u>C) They may provide selective advantages. </u>

<u>D) Slight differences in the genetic code may have significant results.</u>

Explanation:

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DNA sequences make up genes that may have multiple variants, called alleles. DNA deoxyribonucleic acid, is transcribed into mRNA and then translated into amino acids that form proteins.

Natural selection mainly acts on phenotypes, which are dependent on proteins and the organisms's environment.  Phenotypes conferring advantageous traits are favored by the selection process- these help groups of organisms evolve over time.

3 0
3 years ago
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