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Amanda [17]
3 years ago
15

Give one simple example of positive system feedback in biology.

Biology
2 answers:
Helga [31]3 years ago
5 0

Answer:

Positive feedback is the amplification of a body's response to a stimulus.

  • For example, in childbirth, when the head of the fetus pushes up against the cervix it stimulates a nerve impulse from the cervix to the brain.
  • Some examples of positive feedback are contractions in child birth and the ripening of fruit.
FromTheMoon [43]3 years ago
3 0

Answer:

birth

Explanation:

keeps going and going

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Which term can be used to describe the organizational level of the brain in the human body?
Minchanka [31]

Organ is the term that can be used to describe the organizational level of the brain in the human body.

When we speak of the levels of organization, we refer to the possible divisions or stratifications in which it is possible to study the human body.

In this area, an organ is an associated set of tissues that share the same structure and function.

The scale of biological complexity places organs above tissues and below systems.

The human brain is a main and complex organ that is part of the nervous system, it controls the vital functions of the human body.

It is the organ in charge of controlling and coordinating all the movements we make and processing sensory information.

As an organ system at organizational level it works together with the spinal cord forming the central nervous system.

Therefore, we can conclude that organ is the term that can be used to describe the organizational level of the brain in the human body.

Learn more here: brainly.com/question/24473715

5 0
3 years ago
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Plant roots help hold soil together. how can shrub and tree branches also help hold soil together?
Mama L [17]
Root systems in the soil branch out in the soil forming a mesh-like framework that prevents soil erosion by enhancing soil stability. Fine roots may improve soil permeability to water. This can be illustrated when, for instance, you pull a small plant out of the soil, some soil will cling to the roots.
5 0
4 years ago
8 points for one simple question.
-Dominant- [34]

Answer:

natural selection

Explanation:

3 0
4 years ago
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Which of the following is NOT a statement from the cell theory?
alisha [4.7K]

Answer:

The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

Therefore, B is the answer.

"All living cells require water for survival" is NOT a statement from the cell theory.

6 0
3 years ago
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For evolution to be occurring, natural selection must also be occurring.<br> a. True<br> b. False
Vlad1618 [11]

Answer: True

Explanation:

Natural selection is a process of emergence of traits in organisms which are useful for their survival and reproduction. These traits are heritable and pass on from the parents to the offsprings. This results in changes occurring in the same species at genetic, physiological and morphological levels. This results in evolution.

4 0
4 years ago
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