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Arte-miy333 [17]
2 years ago
4

The vagus nerve operates under the control of the parasympathetic nervous system and causes the ________.

Biology
1 answer:
Rzqust [24]2 years ago
7 0

Answer:

A) heart rate to decrease.

Explanation:

The parasympathetic nervous system generates rest and digest response to restore the energy level of the body after fight or flight response from the sympathetic nervous system. The parasympathetic nervous system works antagonistically to the sympathetic nervous system and slows down the heart rate.

Axons of parasympathetic motor neurons in the vagus nerve supply organs and tracts such as lungs, heart, glands of the gastrointestinal (GI) tract, and smooth muscle of the respiratory passageways, etc. The output from the cardiovascular center flows along sympathetic and parasympathetic axons. The parasympathetic impulses propagated along vagus nerves serve to decrease heart rate.

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Answer:

1. tall (or heterozygous)

2. 3:1

3. carriers

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5. A Punnett square is a diagram used to map out the possible genotypes of a child given the genotypes of its parents. In a Punnett square, the genotype of one parent is listed in the first row of the square, and the genotype of the second parent is listed in the first column. Then, in the middle squares, all possible genotypes of their offspring are listed, and the phenotypes are calculated using the law of dominance.

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Explanation:

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2 years ago
A population of hummingbirds feeds exclusively on nectar from orchids. Two species of orchids exist in the hummingbirds' habitat
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D

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In the given situation, the hummingbirds those have adapted according to the needs, that is deriving nectar from either from short and long tubes nectar. Therefore, two phenotypic characteristics like short beak and long beaks will become dominant trait in the population of humingbirds as the intermediate beak hummingbirds will not be able to feed from either of the flowers.

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The average annual rainfall for Boston is 43.76 inches. One year, a weather station measured the city's actual rainfall to be 33
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