In a hypothetical environment, fishes called pike-cichlids are visual predators of algae-eating fish (i.e., they locate their prey by sight). If a population of algae-eaters experiences predation pressure from pike-cichlids, which of the following should least likely be observed in the algae-eater population over the course of many generations?

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#Question id: 11051

#Section 1: Ecology

Disadvantages of living in groups include

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#Question id: 9156

#Section 2: Evolution

Generalized global air circulation and precipitation patterns are caused by ________.

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#Question id: 3372

#Section 2: Evolution

Fish, penguin and Dolphin are independently evolved similar traits as a result of having to adapt to similar environments or ecological niches.

A. On a molecular level, this can happen due to random mutation in unrelated taxon to adaptive changes

B. This is the example of divergent evolution, occurred due to similar group of organisms inhabiting different environments

C. Similar phenotype are produced by identical change in orthologous gene

D. This is the example of convergent evolution, occurred due to similar group of organisms inhabiting different environments

Which of the following is the correct combination?

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#Question id: 16831

#General Aptitude

If the net was folded into a cube, which of the given shapes would it look like?

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#Question id: 12412

#Section 1: Ecology

In most mammalian populations the sex ratio