Speciation Flashcards

1
Q

What is a species

A

a group that can interbreed under natural conditions

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2
Q

Speciation

A

The rise of 2 or more species from a common ancestor is called speciation

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3
Q

When can speciation occur

A

When a population becomes isolated

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4
Q

2 types of speciation

A
  1. Allopatric Speciation - when a population becomes geographically isolated from one another
  2. Sympathetic Speciation - when a population becomes reproductively isolated not geographically
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5
Q

3 types of Isolation

A

Habitat isolation- populations can occupy different niches of the same habitat, they do not encounter each other to reproduce

Geographic isolation- populations are separated by physical barriers that divide a population into groups they do not encounter one another to reproduce

Reproductive isolation - inability of organisms to reproduce due to physical or behavour barrier.

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