Phylogenies can be used to test whether speciation has been sympatric or allopatric. Following figure shown a new species arises by allopatric speciation, its nearest relative will usually live in a different geographic area, such as in a nearby lake. Which of the following phylogenetic tree is correct?

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#Question id: 12285

#Section 1: Ecology

The principle of competitive exclusion states that

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#Question id: 12284

#Section 1: Ecology

The feeding relationships among the species in a community determine the community's

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#Question id: 10748

#Section 1: Ecology

Learning how much to study to earn an “a” in biology is an example of _____________.

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#Question id: 10747

#Section 1: Ecology

Extinction describes a loss of learning in _____________.

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#Question id: 10746

#Section 1: Ecology

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.

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#Question id: 10745

#Section 1: Ecology

Releasers may be ____________.