Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?

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#Question id: 3390

#Section 2: Evolution

The average numbers of offspring produced by three genotypes are: GG = 60; Gg = 30, gg = 20. What is the selection coefficient of gg?

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#Question id: 11177

#Section 4: Behavioural Ecology

Intraspecific competition can result in individuals migrating from

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#Question id: 4698

#Section 2: Evolution

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that

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#Question id: 10646

#Section 2: Evolution

Four sampling unit of Area occupy by species having following number is 00, 20, 10, 20. What is abundance of that species?

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#Question id: 10719

#Section 1: Ecology

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.