Climate change and glacial advances during the Pleistocene ice age (2.6 million to 11,700 years ago) split the ranges of several North American bird species into western and eastern populations. The western and eastern populations eventually diverged into two species. What is this an example of? DA. Allopatric speciation following dispersal D B. Allopatric speciation via vicariance O C. Sympatric speciation due to balancing selection DD. Sympatric speciation via autopolyploidy DE. Sympatric speciation via allopolyploidy

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A: Within a population of sunflowers, a new individual has a novel dominant mutation that causes it to…

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A: When a species live in an island there are large number of factors which affect its life.

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Q: This form of geographic isolation led to what? O A. Speciation O B. Variation O C. Biochemical…

A: Variation is the deviation from the normal. It may occur due to mutational changes occuring within…

Q: Which of these is not a driver of sympatric speciation_ a. Reduction of gene flow in a population…

A:

Q: Sympatric speciation differs from allopatric speciation in that sympatric speciation Group of answer…

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A: Sympatric speciation It is the process of formation of the new species from the original population…

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Q: Which of the following in NOT an evolutionary force? Group of answer choices A. genetic drift…

A:

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A: Given: Present day pattern of biodiversity and genetic diversity reflect past population gwnetics…

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A: A . directional selection.

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Q: attempt to evolve cold-tolerant winter

A:

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Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.