Question 1

What is conservation biology
 Devise an in situ and an ex situ conservation plan for the preservation of the White Rhinoceros.

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 Devise an in...

Question 2

Define extinction and discuss the major causes of extinction
(a)in recent times and 
(b)before people existed on Earth.

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Question 3

Why don't scientists know the exact number of species on Earth
A)because about 10,000 new species are identified each year.
B)because species are becoming extinct at a rate that is too fast to count
C)because the system used to define what constitutes a species keeps changing
D)because historical records are inaccurate
E)Scientists do know.There are 1.8 million existing species on Earth

Accepted Answer

Scientists don't know the exact number of species on Earth because about 10,000 new species are identified each year, making it difficult to pinpoint an exact number.

Question 4

Define ecosystem services and discuss the ecosystem services provided by forests and coastal areas.Discuss how these services are altered by human activity.

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Question 5

Define species richness and discuss two factors associated with high species richness.

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Question 6

What is biological diversity
(a)What are three components that make up biological diversity
 Explain what each of these components contributes.
(b)Discuss two ways to reverse the trend of declining biological diversity.

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(a)What are three components...

Question 7

Currently,about 1400 species in the U.S.are listed as endangered or threatened.(a)Create a graph of the data from the chart below.Be sure to label the X and Y-axes.(b)Draw conclusions from the data that you graphed in part (a)as you compare and contrast any two of the animal categories.

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Question 8

Distinguish between extinct,endangered,and threatened species.Give two characteristics that are common to many endangered species.

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Question 9

If the environment was to change dramatically or a new plant disease was to break out,which plant type on the graph below would have the greatest chance of survival? The least? WHY?

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Question 10

On June 28ᵗʰ,2007 the bald eagle was removed from the federal list of threatened and endangered species.Suggest two possible factors that have contributed to bald eagle pairs increasing from 417 in 1963 to 9,250 pairs in 2006.

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Question 11

What are the four human causes of species endangerment and extinction
 Which one is the single greatest threat
 Give an example of a specific organism that has been harmed by each human activity.

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Quiz 15: Biodiversity and Conservation

What is conservation biology Devise an in situ and an ex situ conservation plan for the preservation of the White Rhinoceros.

Define extinction and discuss the major causes of extinction (a)in recent times and (b)before people existed on Earth.

Why don't scientists know the exact number of species on Earth