Multiple choice

Which of these can result in mass extinction?

  1. Soil salinity

  2. Ecological collapse

  3. Greenhouse effect

  4. Evapotranspiration

  5. Carbon footprint
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ecological collapse refers to a situation where an ecosystem suffers a drastic, possibly permanent, reduction in carrying capacity for all organisms, often resulting in mass extinction. Usually, an ecological collapse is precipitated by a disastrous event occurring on a short time scale.

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