Evidence in the Fossil Record; The Day the Mesozoic Died

Which of these are homologous structures?

• Your foot and a bird's wing

• Your hand and a dolphin's flipper

• A bird's wing and a bat's wing

• A dog's paw and a bird's wing.

Tags

NGSS.MS-LS4-2

What was found in the K-T boundary that lead Dr. Alvarez to believe something from space hit the earth 656 million years ago?

• Plutonium-244

• Many diverse forams

• Iridium

• Peanut butter

Tags

NGSS.MS-ESS1-4

Which of these are vestigial structures?

• The appendix

• Ear muscles

• The human tailbone

• All of the above

Tags

NGSS.MS-LS4-2

How are vestigial structures proof of evolution?

• They show how different organisms share the same ancestor.

• They show how animals can change during their lifetime.

• They are evidence that organisms are extinct.

• They are not evidence of evolution.

Tags

NGSS.MS-LS4-2

Why do whales have leg bones?

• So they can walk on water.

• Because they are descendants of land animals.

• To help them swim faster.

• If they didn't have leg bones how would they wear shoes?

Tags

NGSS.MS-LS4-2

Organisms that become extinct can come back millions of years later.

• True

• False

Why did small animals have a better chance of surviving the asteroid impact that killed off the dinosaurs? Mark all that apply.

• They were able to reproduce faster.

• They mostly lived in trees.

• They had a better health care plan.

• They fed off those organisms that died.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS4-1

Dinosaurs are only found below the K-T boundary.

• True

• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What happened to the foram fossils above the K-T boundary? Mark all that apply.

• They were smaller.

• They were less diverse.

• They were larger.

• They were more diverse.

Tags

NGSS.MS-LS4-1

Anatomical similarities during the early stages of development can serve as evidence of evolution.

• True

• False

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3