What is mass extinction?

1 Answer

Answer :

Extinction of large scale species due to environmental catastrophe. 

Related questions

Description : Explain the benefits of biodiversity.

Last Answer : Biodiversity is known for the multiple benefits such as economical (narrowly utilitarian), ecological (Broadly utilitarian) and ethical benefits. Narrow utilitarian includes economical benefits such as food, medicine, industrial and bioprospecting. Foods ... -------------------------------------

Description : What is the importance of biodiversity. Explain the causes of loss of biodiversity.

Last Answer : Biodiversity is important for maintaining the balance in the ecosystem. The continuous flow of energy is maintained in the ecosystem. The loss of biodiversity is the cause of great concern. It ... one is directly associated with other. When hosts become extinct the parasites also become extinct. 

Description :  Explain briefly the evil quartet of biodiversity losses. 

Last Answer : The four major causes of biodiversity loss are; i) Habitat loss - degradation of natural habitats are threatening the species. ii) Over-exploitation - Need turned greed has led to over ... - when one organism becomes extinct , the other associated obligatory species also tend to extinct.

Description : What is the importance of species diversity to the ecosystem ?

Last Answer : Any community with more species generally tends to be more stable than those with less species. The stable community must be resilient to the occasional disturbances. The stable community should ... in less period of time. Increased diversity contributes to higher productivity of any ecosystem.

Description : What are endemic species?

Last Answer : A species which is found only in a particular area because of isolation and climatic condition.

Description : What is ex-situ conservation?

Last Answer : Conservation of species out of their natural habitats. 

Description : What are sacred groves?

Last Answer : They are the small patches of natural forests dedicated to the local deities so that no one harms them.

Description : What are sacred species? 

Last Answer : The species which is traditionally conserved and dedicated to the local deities and are of cultural /religious values.

Description : Name any two in-situ conservation methods.

Last Answer :  National parks, Sanctuaries, Biosphere reserve, hotspots etc. 

Description : What is in-situ conservation of wild life?

Last Answer : It is the conservation of wild species in their natural habitats. 

Description : Expand IUCN.

Last Answer : International Union for Conservation of Nature and natural resources. 

Description : What are critically endangered species?

Last Answer : Species which is at extremely high risk of extinction. 

Description : What are endangered species?

Last Answer : Species which are in the dangers of extinction due to the loss of natural habitats. 

Description : What are rare species?

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Description : What are vulnerable species?

Last Answer : Species which are likely to become endangered if environmental degradation continue to persist.

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Last Answer : The species which are either endangered or vulnerable 

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Last Answer : Biodiversity provides economical, ecological and ethical benefits to the mankind. 

Description : Expand RDB.

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Description : What are key stone species?

Last Answer : Organism that helps to maintain species diversity within an ecosystem by keeping the number of other species in a ecosystem constant.

Description : What are invasive species?

Last Answer : Foreign species that grow and reproduce rapidly causing major disturbance in the habitats.

Description : Name the biodiversity hotspots in India.

Last Answer : Western Ghats and Eastern Himalayas.

Description : What are biodiversity hotspots?

Last Answer : Habitats with rich endemism and the species are prone to endanger. 

Description : What is gamma diversity? 

Last Answer : It is the diversity of organisms / habitats over a large geographical area. 

Description : Define beta diversity.

Last Answer : Diversity of organisms between the communities in the given geographic area.

Description : What is alpha diversity?

Last Answer : Diversity of living organisms within the community or different communities sharing the same habitat.

Description : Define habitat diversity.

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Description : Define a species.

Last Answer : A group of closely related organisms which can interbreed to produce viable and fertile offsprings.

Description : What is species diversity?

Last Answer : Variety of different species in a given geographical area. 

Description : What is genetic diversity ?

Last Answer : It is the variation at the level of individual genes.

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Last Answer : Habitat diversity, species diversity and genetic diversity.

Description : Who developed the concept of biodiversity?

Last Answer : Edward O. Wilson

Description : Who coined the term biodiversity?

Last Answer : Walter Rosen

Description : Define biodiversity. 

Last Answer : The totality of all living organisms OR A collection of variety of all life forms. 

Description : Could a mass extinction event leave no trace humans ever existed?

Last Answer : I doubt it. We bury our dead, so the bones would be left behind. Since we preserve some bodies there might be fairly intact corpses, that I am not sure of, I don't know about ... fact, some bones might be barely covered when discovered from those who died from the consequence of the meteor.

Description : Which of these organizations lists "preventing mass extinction of species" as one of its goals?

Last Answer : The Convention on Biological Diversity

Description : Man-made mass extinction of species represents a severe depletion of biodiversity called

Last Answer : Man-made mass extinction of species represents a severe depletion of biodiversity called A. ... C. Anthropogenic extinction D. Human extinction

Description : Is there going to be another mass extinction on earth?

Last Answer : Eventually yes.

Description : Is there going to be another mass extinction on earth?

Last Answer : Eventually yes.

Description : A mass extinction is A) the extinction of small-sized species. B) the extinction of large-sized species. C) the simultaneous extinction of many species. D) something that has never been seen in the fossil record.

Last Answer : C) the simultaneous extinction of many species.

Description : What is extinction?

Last Answer : A: Extinction is the complete disappearance of a species from the Earth, often as a result of human activities or environmental changes.

Description : Is the following information I gathered about the Cretaceous extinction accurate?

Last Answer : Generally yes. The Yucatan asteroid impact was confirmed from sea bed core samples in early 2021 - https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction/

Description : Are logic, integrity, honesty overrated? Is that why they seem to be on the verge of extinction?

Last Answer : Logic, integrity and honesty are overrated when they get in the way of political agendas.

Description : If all of humanity were to be instantly and irreversibly sterilised tomorrow, locking in biological extinction for the species, how long would it take for humans to turn themselves into robots?

Last Answer : I’m not sure “robots” is the term. The better question is “how long would it take humans to turn into wild animals?” 30 days or less.

Description : How do we handle this extinction?

Last Answer : This sounds like a ploy to drive the cost of coffee through the roof.

Description : Has the cause of the extinction of dinosaurs ever been determined?

Last Answer : They are not extinct, they are birds.

Description : Scientifically speaking, how much longer could the human race survive before extinction?

Last Answer : How would anyone come up with a “scientific” answer to such a question? You can dial up a psychic or consult your dog, and an opinion from either would be equally probable.

Description : Care to comment on Steven Hawking's latest assertion that the rise of artificial intelligence will mean extinction for the human race?

Last Answer : answer:Hawking could have gone a bit farther with his concern: The rise of human intelligence will mean extinction for the human race. That is, as our intelligence improves (in any of the various ... Our weapons systems continue to improve, but our diplomatic skills are stuck in the Dark Ages.

Description : How do I use this molar extinction coefficient?

Last Answer : answer:Molar extinction coefficients are typically in M^-1* cm^-1 (aka 1/(M*cm)). If using a cuvette with a 1 cm path length, using the equation you give above the cm cancels and it gives you concentration in ... b = cm, cm cancels, and M^-1 is in the denominator and thus c is left to simply be M.

Description : What is extinct or so close to extinction the Fat Lady is singing?

Last Answer : ’‘waits for the inevitable answers that will mention things like common sense and manners’’

Description : Are honey bees on the verge of extinction, if so will Professor Einstein's calculation prove to be true?

Last Answer : answer:Honeybees aren't near extinction, they're just dying in large numbers, suddenly, and we don't know why. So they're being studied to find the cause. There are still a lot of bees and ... case of a useful quote's being invented and put into the mouth of a famous person for political purposes