Science Study Guide for Unit Test/Exam

In order for a population to evolve, organisms in the population must have differences or. What?

• Lives

• Traits

• Familys

• Preadators

A ____  is a change in a DNA sequence, usually occurring because of errors in replication or repair.

• Durability

• Evolution

• Mutation

• Allele

____ is the ultimate source of genetic variation.

• Traits

• Mutation

• Natural Selection

• Selective Breeding

____ is a process of evolution in which traits that result in better fitness of an individual survives to the next generation. Survival of the fittest!

• Selective Breeding

• Evolution

• Survival of The fittest

• Natural Selection

____ is defined as the process whereby organisms with the best genetic adaptations will survive.

• Natural Selection

• Survival of the Fittest

• Selective Breeding

• Luck

Theory in which populations will inherit small changes over time.

• Natural Seclection

• Evolution

• Selective Breeding

• Finches

A ____ is more than an educated guess. It is a widely accepted set of explanations of observations and phenomena.

• Question

• Theory

• Guess

• Educated Awnser

____ is an inherited characteristic that increases the chance of survival

• Trait

• Evolution

• Adaptation

• Luck

 In ____, human breeders, rather than the environment, select the variations of traits to be passed to offspring.

• Natural Selection

• Evolution

• Survival of the Fittest

• Selective Breeding

Darwin provides a mechanism for evolution to occur. He proposed that ____ took place as individuals best suited to the environment survived and reproduced.Darwin provides a mechanism for evolution to occur. He proposed that evolution took place as individuals best suited to the environment survived and reproduced.

• Luck

• Selective Breeding

• Survival Of the Fittest

• Evolution