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ad-work [718]
3 years ago
11

Loss of motor and sensory control of the trunk of the body and lower extremities because of a spinal cord injury describes _____

___.
Biology
1 answer:
wlad13 [49]3 years ago
8 0
Paraplegia is paralysis that involves loss of motor and sensory control of the trunk and two extremities. In addition, paraplegia for the most part is the result of a spinal cord injury due to an accident or other trauma. Most common accidents contain motor vehicle accidents and falls in those aged over 65.
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Natural selection is based on all of the following except a. genetic variation exists within populations. b. the best-adapted in
goldfiish [28.3K]

Individuals adapt to their environments and, thereby, evolve

Explanation:

Natural selection is the main process which advances evolution by aiding organisms to survive and produce more offspring through adapting more to their environment. Mutations, gene transfer, and genetic variations also drive evolution.

Both natural selection and evolution work on genetic behaviors in populations rather than individuals. Both natural selection and evolution are involved in generating changes over generations.  Examples of evolution is the disappearing of tail bone, decreased head size and for natural selection example is the long and short necked giraffe.

4 0
3 years ago
Most of the oxygen exiting the blood and entering the tissues does so from the ________. most of the oxygen exiting the blood an
mariarad [96]

Most of the oxygen exiting the blood and entering the tissues does so from the capillaries.

Answer: Option D

<u>Explanation:</u>

The circulatory system consists of the heart, arteries, veins and capillaries. An artery is the one which carry blood from the heart to the organs. A vein is the one which carry blood from the organ to the heart.

A capillary is the smallest blood vessel which helps connect the functions of arteries and veins in the body. The capillaries are the narrow tubes which allow diffusion of Oxygen into and from the tissues. It’s prior function is to drop Oxygen in a tissue and collect the Carbon dioxide from the tissue.

4 0
3 years ago
At the official announcement of completion of the draft human genome (choose all that apply)
In-s [12.5K]

Answer:

  • (B) Two alternative strategies were used to complete the genome - top down and bottom up
  • (C) The public project used a mapping strategy to limit the total sequencing required
  • (D) The Celera group, led by Craig Venter, used a shot gun sequencing strategy

Explanation:

  • As the project was unable to sequence all the DNA that was found in the human cells, the first draft was <u>made in June and complete in the end referred to as a working draft and made on the basis of the final sequencing and mapping of the human genome. </u>
  • The <u>draft included the alternative strategies for the completion of the bottom up and top up of the genome code and has a mapping strategy</u> that limited the total sequencing needs.
7 0
3 years ago
Skin cells form new cells in<br> Mitosis only<br> O Meiosis only<br> Both<br> Neither
Fiesta28 [93]

Answer:

Mitosis only

Explanation:

Mitosis and meiosis are both types of cell division. Mitosis allows cells to proliferate for growth and repair. So this is how skin cells form new cells.

Meiosis is a type of cell division specific to reproduction. It forms the gametes, which are the egg and sperm. It generates haploid cells that fuse via fertilization to create a zygote.

7 0
3 years ago
Describan los sistemas de circulación abierta y cerrada. Resalten Las Diferencias. . . . Es de Ciencias Nat. Nesecito la respues
Olegator [25]

Answer:

Abierto es sin vasos y cerrado es con vasos.

Explicación:

El sistema circulatorio abierto es un tipo de sistema que se encuentra en los invertebrados. en el que la sangre fluye libremente a través de las cavidades en lugar de los vasos sanguíneos mientras que, por otro lado, el sistema circulatorio cerrado es un tipo de sistema en el que el corazón bombea sangre y la sangre fluye a través de los vasos y capilares. Este tipo de sistema circulatorio está presente en humanos y vertebrados.

5 0
2 years ago
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