In 2005, the United States had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005?

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#Question id: 10723

#Section 1: Ecology

What does the graph tell you about the effect of a keystone species?

TLS Online TPP Program

#Question id: 10625

#Section 1: Ecology

Find out density of three different fish population by mark recapture method? Following is a density of capture and recapture fish? 

Which of the decrease order of their relative abundance? 

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#Question id: 12145

#Section 2: Evolution

If population size is exactly half of carrying capacity: 

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#Question id: 11361

#Section 4: Behavioural Ecology

Which of the following tends to stabilize predator-prey relationships?

TLS Online TPP Program

#Question id: 11514

#Section 2: Evolution

Which of the following is not an outcome of high population density?