Natural Selelction and Heritable Traits

If a trait that was inherited from the parents increases an organism's ability to survive and then reproduce, what is this trait?

• an adaptation

• an organisms fitness

• a mutation

• artificial selection

Tags

NGSS.MS-LS4-4

When the environment determines which heritable traits are most beneficial for survival, which is being considered?

• Artificial selection

• Natural selection

• Environmental selection

• Mutation

Tags

NGSS.MS-LS4-4

When the humans determine which heritable traits are most beneficial, which is being considered?

• Artificial selection

• Natural selection

• Environmental selection

• Mutation

Tags

NGSS.MS-LS4-5

A slight difference in an inherited trait between individual members of the same species.

• variations
• adapatations
• homologous structures
• analogous structures

Tags

NGSS.MS-LS4-4

The process in which an animal cannot reproduce any more and dies out is known as _________________________.

• Speciation

• Extinction

• Evolution

• Natural Selection

Tags

NGSS.MS-LS4-1

measure of an organisms's ability to survive and produce offspring relative to other members of a population 

• Natural Selection
• Adaptation
• Fitness
• Variation

Tags

NGSS.MS-LS4-4

The selective agent in natural selection is

(a)  

• environment.
• humans.
• animals
• weather

Many sea birds scan the sandy shore for food. What would be the most desirable trait to have if you were the prey to these birds?

• short legs adapted for walking long distances

• a body color that matches the sand

• night vision eyesight

• thick fur for cold nights

How do adaptations help animals?

• to hide from predators
• to hunt for food
• to survive in their habitats
• All of these are correct

Tags

NGSS.MS-LS4-4

An animal's color or pattern that helps it blend into its surroundings

• Environment 
• Mimicry
• Camouflage
• Habitat

Tags

NGSS.MS-LS4-4