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Dafna11 [192]
3 years ago
8

Which spinal root is responsible for conveying motor or efferent information from the spinal cord to the body?

Biology
1 answer:
nika2105 [10]3 years ago
7 0

Answer:

The spinal cord is divided into 31 segments that send nerve rootlets out into the body through intervertebral foramen. These neurons travel into the spinal cord via the dorsal roots. Ventral roots consist of axons from motor neurons, which bring information to the periphery from cell bodies within the CNS.

Explanation:

Hope this will help

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On the mohs hardness scale ,the lower the number the _______ the mineral is
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Softer? I hope this helps :)

Explanation:

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If the process of meiosis I starts with one cell that contains 24 chromosomes in 12 homologous pairs, what will be the end resul
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D two cells with 12 chromosomes in zero homologus
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An anthropologist compares the remains of Homo neaderthalensis to earlier hominid species, like Homo habilis, and to the contemp
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Answer:

The incorrect conclusion is D that is finding burial sites of <em>Homo habilis </em>on different countries.

Explanation:

<em>Homo habilis</em> are called as stone age human that are appeared  between 2.1 and 1.5 million years ago and they use tools that are made up of stone which they use to kill the animals. They are called as scavengers and they didn't have any knowledge about bury the dead bodies.

<em>Homo neanderthalensis</em> are the extinct species of human that appears at about 40,000 years ago who bury the dead body but they became extinct due to competition and they did't able to adopt the modern techniques.This was the prime factor that they became extinct.

3 0
3 years ago
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A student removes an algae cell from its marine environment and puts it into a sample of freshwater. What will happen to the siz
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The size of the algal size will increase or swell when a student removes an algal cell from its marine environment and puts it into a sample of freshwater.

Tonicity refers to the concentration of a solution compared to another solution. A solution is said to be hypertonic, if it has a greater concentration of solutes than the other solution. A solution is said to be hypotonic, if it has a lower concentration of solutes than the other solution. A solution is said to be isotonic, if it has the same concentration of solutes as of the other solution.

In a marine environment, the algal cells are said to be hypertonic with a higher concentration of the solutes than the freshwater. When such a cell is placed in freshwater with hypotonic environment, the concentration of solutes in the cell is higher than the external environment. In other words, it has lesser water molecules in it. As a result, osmosis occurs which is the movement of water molecules from a region of its higher concentration to a region of its lower concentration through a semipermeable membrane and water enters the cell from the freshwater. Thus, increasing the size of the algal cell or the algal cell swells.

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3 years ago
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Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a mous
jek_recluse [69]

Answer:

This suggests that the moustache is a releaser for aggression.

Explanation:

<em>Fixed action patterns</em> are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli or releaser. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed.

The black feathers resembling a mustache in a <em>Northern flickers</em> male are an external sensory stimulus. This trait that can provoke another male to respond aggressively, as a f<em>ixed action pattern</em>.  

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