Speciation Practice

The formation of a new species is called

• Natural selection

• Struggle for existence

• Speciation

• Darwinism

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A new river forms and splits two populations, causing ______________ speciation

• Sympatric

• Allopatric

• Extreme

• Convergent

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A speciation in which new species evolve from a single ancestral species while inhabiting the SAME geographic region.

• Sympatric speciation

• Allopatric speciation

• Complex speciation

• Divergent speciation

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Orcas occur in the same habitat but some are avoiding each other and do not interbreed. They have different diets, vocal behavior, and social structures. What type of speciation is this?

• Allopatric

• Sympatric

• Complex

• Covergent

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when the organism develops different courtship rituals which do not attract main population this is a part of ____________ speciation.

• Allopatric

• Sympatric

• Simple

• Temporal

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The emergence of a mountain range is an event that would lead to _______________ speciation

• Allopatric

• Sympatric

• Temporal

• Behavioral

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The emergence of new rivers or streams is a type of ____________ isolation.

• Temporal

• Mechanical

• Behavioral

• Geographic

When the Grand Canyon in Arizona formed, two populations of one squirrel species were separated by the giant canyon. This is an example of _____________ speciation.

• Allopatric

• Sympatric

• Simple

• Divergent

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Different finch populations lived on separate islands with different environments. They evolved to best adapt to those particular environments and can no longer mate. What type of speciation is this?

• Allopatric

• Sympatric

• Temporal

• Mechanical

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There are two main ways that speciation happens naturally. Both processes create new species by reproductively isolating populations of the same species from each other. What are these two types of isolation?

• geographical and behavioral

• geographical and complex

• behavioral and complex

• locational and geographical