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umka2103 [35]
3 years ago
15

Please tell me, in your own words, what you know about the ideas of natural selection

Biology
1 answer:
Oksanka [162]3 years ago
3 0

Explanation:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

In the theory of natural selection, organisms produce more offspring than are able to survive in their environment. Those that are better physically equipped to survive, grow to maturity, and reproduce. ... Biologists have since observed numerous examples of natural selection influencing evolution.

hope it helps u

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Axons of the spinal nerve that innervate the ventrolateral body surface, structures of the body wall, and limbs make up the
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Axons of the spinal nerve that innervate the ventrolateral body surface, structures of the body wall, and limbs make up the Ventral ramus.

The anterior portion of a spinal nerve is known as the ventral ramus. Shortly after a spinal nerve exits the intervertebral foramen, it branches into the dorsal ramus, the ventral ramus, and the ramus communicans. These contain information that is both sensory and motor.

The sensory and motor fibres that innervate the muscles, joints, and skin of the lateral and ventral body walls as well as the extremities are carried by the spinal nerves' ventral ramus. They continue to be separate from one another throughout the thoracic region and each innervates a small section of muscle and skin along the sides, chest, ribs, and abdominal wall.

Learn more about ventral ramus here:

brainly.com/question/19325146

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2 years ago
The tissue(s) that is/are considered excitable because of the ability to generate electrical signals is/are called ________ tiss
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Action potential refers to the electrical signal. Propagation of action potential along the membranes of these cells results in muscle contraction and functioning of neurons.

The membrane potential of these cells changes in response to the stimulus and the changed potential is propagated to the other cells.

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