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प्रश्न
What is mass extinction? Will you encounter one such extinction in the near future. Enumerate the steps to be taken to prevent it.
उत्तर
The Earth has experienced quite a few mass extinctions due to environmental catastrophes. A mass extinction occurred about 225 million years ago during the Permian, where 90% of shallow water marine invertebrates disappeared.
संबंधित प्रश्न
Which of the following forests is known as the lungs of the planet earth?
Which one of the following are at high risk extinction due to habitat destruction.
Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.
Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity it belongs to?
“Amazon forest is considered to be the lungs of the planet”- Justify this statement.
What are called endangered species? Explain with examples.
What are the factors that drive habitat loss?
List out the various causes for biodiversity losses.
