Question

Name 2 important factors that cause development of new species

Answer 1

Species: A group of organisms that can breed with each other and produce fertile offspring.Speciation: Organisms that can breed and produce fertile offspring change enough to be considered separate species/populations.Gene Pool: Combined genetic information of all the members of a particular population.Reproductive Isolation: The members of two populations cannot breed and produce fertile offspring.Behavioral Isolation: Two populations are capable of interbreeding but they have different behaviors that prevent them from breeding.Geographic Isolation: Form of reproductive isolation in which two populations are separated physically by geographic barriers such as rivers, mountains, or bodies of water.Genetic Drift: Random change in allele frequencies that occurs in small populations.Founder Effect: Change in allele frequencies as a result of the migration of a small group in a population.Migration: Movement of animals from one place to another.Duration

90 minutes/2 class periods

Answer 2

The two important factors that cause development of new species are =

1. Natural selection

2 . Environmental factors on the isolation population.

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