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n200080 [17]
3 years ago
5

Keystone Species

Biology
1 answer:
Ber [7]3 years ago
4 0
Kelp --> sea urchins ---> sea otters best represents the feeding relationships in a kelp ecosystem that has not been disturbed by humans.
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Asteroid impact

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Explanation:

Asteroid impact and volcanic eruptions are two common events that could lead to a mass extinction.

A mass extinction is an abrupt decrease in life on earth due some catastrophic event.

  • The collision of a large bolide on the surface of the earth is a catastrophe in itself.
  • The collision and its aftermath have destructive consequences on life.
  • The force of the collision can reverberate in form of vibration throughout the earth.
  • It can cause heating of the earth surface.
  • Volcanic eruptions can become global phenomenon that upsets the earth balance.

Learn more:

Extinction brainly.com/question/10860460

#learnwithBrainly

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<span>D) plants. hope this helps</span>
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What is the difference between shifting cultivation and land rotation?​
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Monoculture involves crop rotation as one of its elements.
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