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k0ka [10]
2 years ago
5

Write a constructed response on the immune system

Biology
1 answer:
gladu [14]2 years ago
5 0

Answer:

An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.

Explanation:

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Between 1994 and 1997, 70 Addax were released into fenced sections of protected areas in Tunisia and Morocco. By
WITCHER [35]

It is an example of Ex situ conservation. The correct option is A.

<h3>What is ex-situ conservation?</h3>

It is a method of conserving biodiversities outside their natural habitats.

Ex situ conservation is in direct contrast to in situ conservation. This means that in in-situ conservation, biodiversities are conserved in their natural habitats.

In the illustration, the Addax were released into fenced sections of protected areas in two countries.

The fenced section means that the Addax were not allowed to roam freely as they would in their natural habitats. The fenced section means that their movement is limited as compared to natural habitats.

Thus, the Addax were being conserved ex-situ.

More on ex-situ conservation of biodiversities can be found here: brainly.com/question/20935891

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8 0
1 year ago
What is "twinkling"? (in telescopes) a. Flashing of quickly revolving starts b. Distortion of light in the very large mirrors of
sertanlavr [38]

What is "twinkling"? (in telescopes)

A. Flashing of quickly revolving starts

B. Distortion of light in the very large mirrors of refracting telescopes caused by moving air currents

<u>C. Distortion of light by lenses more that three feet across due to sagging class </u>

D. Interference between the lenses of a refracting telescope that distorts the final image

5 0
2 years ago
In one to three sentences, describe what happens during the regeneration stage of the Calvin cycle.
meriva
In fixation, the first stage of the Calvin cycle, light-independent reactions are initiated; CO2 is fixed from an inorganic to an organic molecule. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADPH+

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5 0
2 years ago
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Where does gas exchange occur between the blood and tissues?
BartSMP [9]

jjj

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Explanation:

vete al hospital porque me voy de la casa nunca se me olvido

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3 years ago
What is the second phase of Meosis l
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Answer: Mitosis

Explanation: ...

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