When two organisms attempt to utilize the same resource, the result is:

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#Question id: 10670

#Section 2: Evolution

To estimate the number of foxes in an area, a researcher conducted a mark-recapture survey. In the first survey, he caught and marked N number of foxes. In his second survey a week later, he caught 120 foxes of which 90 were unmarked (recaptures). If you are told that the actual number of foxes in this area is 400, what is value of N in this area?

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#Question id: 3380

#Section 2: Evolution

Human population having mutant allele to caused color blindness, following different phenotype frequency?

Phenotype	Male	Female
Normal	.70	.72 heterozygous .49 homozygous
Colour blindness	.30	.09

Which of the following frequency of color blindness allele and color blind female in their population?

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#Question id: 9194

#Section 2: Evolution

Zoonotic disease

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#Question id: 15721

#Section 2: Evolution

Lamarck argued that species differ from one another because they have different needs, and so use certain of their organs and appendages. This hypothesis is known as?

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#Question id: 9576

#Section 1: Ecology

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?