Evolution by Natural Selection

A trait that helps an organism survive and reproduce is...

• Natural Selection

• Adaptation

• Evolution

• Phenotype

Tags

NGSS.MS-LS4-4

The process whereby organisms better adapted to their environment tend to survive and produce more offspring.

• Natural Selection

• Evolution

• Adaptation

• Population

Tags

NGSS.MS-LS4-4

Evolution is the change in ________ traits over time.

• Inherited

• Acquired

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which of these is required for evolution to occur?

• The organisms need to be the same.

• There needs to be genetic variation.

• There needs to be pressure for survival.

• There needs to be no change.

Tags

NGSS.MS-LS4-4

TRUE OR FALSE: Organisms must be willing or want to change.

• TRUE

• FALSE

In order for evolution to occur, which of these conditions must be met?

• Populations must be willing to adapt.

• Genetic variation needs to exist in the population.

• All organisms should have the same phenotype.

Tags

NGSS.MS-LS4-4

Scientists are observing a population of insects living in a warm, dry climate over time. Which piece of evidence would NOT indicate evolution has occurred?

• The distribution of traits in a population has shifted (changed).

• The allele frequency of a particular gene has increased.

• The population is better adapted to survive in its environment.

• The phenotypes of the population remain the same.

Tags

NGSS.MS-LS4-4

Female peacocks are attracted to male peacocks with larger feathers. Which peacocks are more likely to have offspring?

• Large-feathered

• Small-feathered

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

TRUE OR FALSE: Acquired traits (like worn-down beaks) can be passed down.

• TRUE

• FALSE

TRUE OR FALSE: Natural Selection involved humans.

• TRUE

• FALSE