There are more species in tropical areas than in places more distant from the equator. This is probably a result of

a) more predators and parasites

b) more dispersed annual solar radiation compared to the poles

c) more frequent ecological disturbances over a longer time span

d) a longer time frame without disturbances for evolution and speciation

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#Question id: 3011

#XL - S Microbiology

Bacteria that may form endospores include

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#Question id: 10678

#XL - T Zoology

In competitive species N1 and N2, four individuals of N2 use the same resource as one individuals of N1. According conversion factor, what is the value of per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?

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#Question id: 18370

#XL - S Microbiology

Corn, wheat, soybean, peas, and beans are few crops which are used as hyperaccumulators as they can 

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#Question id: 19597

#XL - P Chemistry

The least random state of the water system is:

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#Question id: 4631

#XL - T Zoology

As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of