Which of the Following Statements About Extinction Is True

A extinction is the permanent loss of a species b extinction is a natural biological process c once a species is extinct it never reappears d human activities have little impact on extinctions e thousands of plant and animal species are currently threatened with extinction. Which of the following statements about extinction is true.

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C Extinction can be caused by the introduction of exotic species.

. Match the following fossils to the most likely mode of preservation. It is estimated that as much as 38 of all species including most primates birds and amphibians may be in danger of extinction before the end of the century. Vegetables should be crisped not a proportion of the se osandwich.

Recent species are disappearing so quickly that researchers suggest our present time is another mass extinction. Mass extinctions are relatively rare on Earth. Current extinction rates are about 10 times higher than background extinction rates.

A mass extinction is defined as the disappearance of a large percentage of organisms from the land and the ocean. Some species may become extinct because they evolve into a new species. 2Background extinctions are caused by natural phenomena.

4Mass extinctions occur when large groups of species go extinct in a geologically short up to 5 million years period of time. Write TRUE if the statement is correchd FALSE if the statement is wrong. Which of the following statements about extinctions is true.

At least five mass-extinction events have occurred during the last 500 million years. 3Current extinction rates are about 10 times higher than background extinction rates. Both a and b e.

Add your answer and earn points. B Extinction can occur in a small area. D All of the above.

This means that a species may become extinct when the members of its population evolve into a new species. Which of the following statements about extinction is true. Recent species are disappearing so slowly that researchers suggest our present time is another mass extinction.

Most of the species that have ever existed are extinct. 1 Show answers Another question on Biology. A species may become functionally extinct when only a handful of individuals survive which cannot reproduce due to poor health age sparse distribution over a large range a lack of individuals of both sexes in sexually reproducing species or other reasons.

Extinctions are occurring now at rates comparable to those of the five mass extinctions. D Hunters spend less time money and effort on wildlife conservation than other groups. C Excessive hunting causes edge effect.

Expert Answer The true option about extinction is. Like rayonnaise mustard and butter are used thoisten the bread and compliment the flavors ofotler ingredients. Molds and casts- early bird Carbonization- fern Permineralizatjon-.

A Extinction is the ultimate fate of all species. The CretaceousPaleogene extinction event that occurred over 66 million years ago is known to. View the full answer.

The background extinction rate is that which occurs during a mass extinction. At least five mass extinction events have occurred during the last 500 million years. Scientists used mass extinctions to develop the geologic timescale.

Write your answer on the space povided. Mass extinctions occur when large groups of species go extinct in a geologically short up to 5 million years period of time. B Hunting is an effective wildlife management tool.

A massive extinction is caused in the Permian Triassic extinction event ie about 250 mn years ago which on an estimate has killed 90 of the species. In spite of hundreds of millions of dollars spent on insecticides targeted at pest control for agricultural and medical purposes man has been unable to drive any to extinction. Which of the following statements about extinction is true.

Which of the following statements about extinction is true. According to researchers Earth is going through a biodiversity crisis because of human activity. All of the statements about extinction are true.

A extinction is the ultimate fate of all species b extinction can occur in small areas c extinction can be caused by the introduction of exotic species d all of the above 1 See answer evie2004 is waiting for your help. A Regulated hunting has led to the extinction of several North American animals. Both b and c.

On the other hand the extinction of many species of birds fishes plants and insects species have occurred as a result of habitat desctruction.

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