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: 12479

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship in marine mollusks?

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#Question id: 12546

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship in elephants?

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#Question id: 12547

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship in humans who live in developed nations?

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#Question id: 12548

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship in songbirds?

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#Question id: 12549

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship that is independent of age?

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#Question id: 12550

#Unit 10. Ecological Principles

In order to construct a reproductive table for a sexual species, you need to