Introduction to Natural Selection & Myths Associated

Introduction to Natural Selection & Myths Associated

By Erica Putnam

Multiple Choice

What is evolution?

• It is the same thing as natural selection

• It is the change in allele frequencies of a population over time.

Multiple Choice

What is natural selection?

• It is the same thing as evolution

• It is how humans genetically modify plants

• It is a cause of evolution

Multiple Choice

True or False: Giraffes acquired long necks by stretching, then their children were born with longer necks.

• True

• False

Multiple Choice

Darwin said that within a species there will be _________________________

• nothing different
• variation/differences

Multiple Choice

If a new trait DOES NOT help an organism survive, what may happen to it?

• It dies and its DNA is not passed on

• It survives and its DNA is passed on

• It changes its traits to adapt and survive

Multiple Choice

If a new trait DOES help an organism survive, what may happen to it?

• It dies and its DNA is not passed on

• It survives and its DNA is passed on

• It changes its traits to adapt and survive

Multiple Choice

What happens to new traits that HELP organisms survive over time?

• They become MORE COMMON

• They become LESS COMMON

• They are EQUALLY COMMON

Multiple Choice

Example: How does the lizard benefit from being blended into its sandy habitat?

• It makes the lizard harder to see.

• It makes the lizard harder to hear.

• It makes the lizard harder to touch.

• It makes the lizard harder to smell.