Natural Selection

Evolution typically happens...

• in a few weeks
• over millions of years
• never
• in 100 years

Bird's beaks evolve mainly due to the type of ___________________ available.

• food
• water
• shrubs
• mates

If an organism can't adapt fast enough, this might happen.

• hibernate
• stay the same
• live longer
• become extinct

Organisms with differences/variations that are helpful will ______________________

• live longer
• become extinct
• show no change

What can happen to a species over time if some of the organisms have an advantage?

• The population will decrease
• The population will become extinct
• The population will slowly increase

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation