extinction

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment

• asteroid impact

Tags

NGSS.MS-LS4-1

Which of these describes a species that has become extinct?

• fewer members of the species are dying than being born
• more members of the species are dying than being born
• very few members of a species are alive
• all members of a species have died

Tags

NGSS.MS-LS4-1

Which of the following species is extinct?

• woolly mammoth
• giant panda
• bald eagle
• green sea turtle

Tags

NGSS.MS-LS4-1

True or False? Many scientists think that an asteroid caused the dinosaurs to go extinct.

• True

• False

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Why do scientists think that NOT ALL dinosaurs died in the Cretaceous extinction?

• They have photographic evidence

• Because birds are still living today

• A zoo in California has a living dinosaur

• Birds are descendants of dinosaurs

• Only non-birds went extinct.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

These teeth suggest this animal was a __________.

• herbivore

• omnivore

• carnivore

• foodivore

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of these is NOT a step in the fossilization process?

• animal buried in mud

• sediment build up

• bones left behind

• animal digs a cave into the rock

Tags

NGSS.MS-LS4-1

How did this deeply buried fossil become exposed at the Earth's surface?

• it crawled through the rock

• erosion uncovered it

• dynamite blasted the rock away

• rock never formed here

Tags

NGSS.MS-ESS2-2

What did this animal most likely eat?

• plants

• fruit

• insects

• meat

What provides scientific evidence of past life?

• history books

• timelines

• stories

• fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2