Consider a random sample of 100 females and 100 males. Suppose 15 of the females are left-handed and 12 of the males are left-handed. What is the estimated difference between population proportions of females and males who are left-handed (females − males)? Select the choice with the correct notation and numerical value.

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#Question id: 10868

#Section 1: Ecology

Which of the following relationships describes competition?

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#Question id: 11775

#Section 1: Ecology

When the phenotype of an individual organism is affected by a variety of environmental factors, the relationship between phenotype and environment is referred to as __________.

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#Question id: 16792

#Section 5: Applied Ecology & Evolution

The earliest recorded pandemic – the Black Death was speculated to be ______

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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: 12460

#Section 1: Ecology

The realized niche of an organism is