Unit 5 Vocab Practice

Modification (change) in a species over time

• evolution
• fossil
• relative age
• absolute age

Compares age of fossils based on their position in layers of rock

• evolution
• fossil
• relative age
• absolute age

Gives an estimated date based on chemical testing such as carbon dating

• evolution
• fossil
• relative age
• absolute age

Remains of a once-living organism

• evolution
• fossil
• relative age
• absolute age

a trait that makes an organism successful

• adaptation
• mutation
• natural selection
• strata

Layers of rock

• adaptation
• mutation
• natural selection
• strata

A change in an organism's DNA sequence

• adaptation
• mutation
• natural selection
• strata

Organisms that have adaptations which allow them to survive and pass their traits to the next generation

• adaptation
• mutation
• natural selection
• strata

In our activity, sad bears were able to live long enough without being eaten; whereas happy bears were eaten. Which of the following is true about this activity?

• The happy bears had a better adaptation, making them sucessful
• The sad bears had a better adaptation, making them successful
• The happy bears were selected for, and the sad bears were selected against

Why were the darker moths more successful than the lighter moths during the industrial revolution

• The darker moths lay more eggs on average than the lighter moths.
• The darker moths blended in with the soot on the tree, so they were able to live long enough to reproduce
• The lighter moths blended in with the soot on the tree, so they were able to live long enough to reproduce