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svetlana [45]
3 years ago
9

some forests are affected by human activity with grazing from livestock. how can this affect diversity?​

Biology
1 answer:
svp [43]3 years ago
8 0

Answer:

some forest are really affected by activity because polluted they put trash in the water and they never clean it up and the animal life are getting sick and they are dying this does affect diversity because animals can die if we have polluted waters

Explanation:

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On Long Island, New York, a population of wall lizards that originated from a group in Italy is present. Several had been import
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Answer:

Two terms might apply for this situation: "<u>jump dispersion</u>" and "human-assisted invasions".

Explanation:

  • Dispersion: It refers to the <em>change in an organism's range or distribution area</em>. Different ecological and biogeographical processes might be involved in organisms' dispersion. The term "<u>jump dispersion</u>" refers to a <em>few individuals in a short time that can cross a barrier and occupy a new area</em>. In this situation, the establishment is not always for sure. For this to happen, they must reproduce and start a new population of a certain size that can survive to the new conditions.
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It is <em>very common</em> for these species to <em>scape and start new populations</em> in the <em>new area</em>, where they <em>have </em><em>less environmental pressure</em> -fewer predators, more resources, better nitches- than in their origin area, which <em>favors their establishment</em>.

The exposed situation in the example is a case of "human-assisted invasions". It might also be considered as jump dispersion (because a few individuals of the species crossed a barrier and established in a new area) but assisted by humans.

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