MacroevolutionLEC16 Flashcards

1
Q

What prevents members of two species from producing viable hybrids?

A

Reproductive isolation!

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2
Q

What impede mating or hinder fertilization if different species attempt to mate?

A

Prezygotic barriers!

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3
Q

What prevent a hybrid zygote from developing into a fertile adult?

A

Postzygotic barrier!

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4
Q

What defines a species in terms of its appearance?

A

The morphospecies concept!

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5
Q

What defines species in terms of morphologically discrete species known only from the fossil record?

A

The paleospecies concept!

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6
Q

What defines species as a set of organisms with unique genetic history?

A

The phylogenetic species concept!

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7
Q

What views a species in terms of its ecological niche?

Ex. Hula

A

The ecological species concept!

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8
Q

This speciation occur when a new species forms after isolation.

A

Allopatric!

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9
Q

This speciation occur when part of a population becomes a new species without geographic separation.

A

Sympatric!

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10
Q

What is the evolution of a group of taxa from a common ancestor? This happens when a species is introduced to a new environment.
Ex. Cichlid fishes

A

Adaptive radiation!

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11
Q

What is one of the world’s great showcases of adaptive radiation?

A

The Hawaiian archipelago!

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12
Q

What bird is one of a diverse group of honeycreepers? What are they decended from?

A

I’iwi

Common house finch

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