Question
Medium
Solving time: 3 mins
What could have triggered mass extinctions of species in the past?
Text solutionVerified
Nobody knows the real reason but the scientists believe that any one of the following could have triggered mass extinction of species in the past.
(i) Fall of sea levels.
(ii) Change in temperature (freezing or warming).
(iii) Asteroid/meteorite hitting the planet.
(iv) Poisonous hydrogen sulphide emissions from the sea.
(v) Nova/super nova/gamma ray burst.
(vi) Plate tectonics.
(i) Fall of sea levels.
(ii) Change in temperature (freezing or warming).
(iii) Asteroid/meteorite hitting the planet.
(iv) Poisonous hydrogen sulphide emissions from the sea.
(v) Nova/super nova/gamma ray burst.
(vi) Plate tectonics.
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Question Text | What could have triggered mass extinctions of species in the past? |
Updated On | Sep 23, 2022 |
Topic | Biodiversity and Conservation |
Subject | Biology |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 203 |
Avg. Video Duration | 3 min |