Competition among individuals belonging to the same species is referred to as _________ competition.

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#Question id: 4943

#Section 2: Evolution

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

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#Question id: 3355

#Section 2: Evolution

Speciation in ancestor as following way

A- Non-swimming populations separated by a river may gradually diverge because there is no gene flow between them

B- Plants commonly exhibit polyploidy, meaning they contain three or more sets of chromosomes

C- The tendency for two species to diverge in morphology and thus resource use because of competition

Which of the following above condition allowed to which type of speciation?

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#Question id: 12105

#Section 1: Ecology

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its 

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#Question id: 16765

#Section 5: Applied Ecology & Evolution

The relation between exposure and disease is considered to be causal or etiological in the following, except

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#Question id: 10828

#Section 2: Evolution

Not all parasitism involves feeding on the body of the host. The exception is