Fossils

True or False: Most things that ever lived are now extinct.

• True

• False

Tags

NGSS.MS-LS4-1

Which of these best describes fossils?

• Nonexistent

• easily formed

• important and rare

• common and unhelpful

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of these describes a fossil?

• a desert that used to have a body of water in it.

• a species that no longer lives anywhere on Earth

• a scientist who studies the history of life on Earth

• an ancient organism or its trace that has been preserved

Tags

NGSS.MS-LS4-1

Which of these is an example of a body fossil?

• woolly mammoth footprints

• a T. Rex bite mark

• a dodo bird nest

• a shark tooth

1. Which of these is an example of a trace fossil?

• skin

• dung

• a leaf

• a skull

Tags

NGSS.MS-LS4-1

Which of these is most likely to fossilize?

• a jellyfish’s very soft body

• fruit with a high water content

• a crab claw, which is very hard

• a horse's mane, which is made of hair

Tags

NGSS.MS-LS4-1

1. If a fossilized bone formed through permineralization, then

• the bone was trapped in ice.

• the bone was trapped in amber.

• minerals seeped into cracks in the bone

• an imprint of the bone was left in the ground.

1. An animal with sharp teeth likely ate

• nuts

• meat

• grass

• leaves

1. An impression of ancient plant leaves pressed into the ground is an example of a

• cast

• mold.

• permineralized fossil.

• all of the above

Tags

NGSS.MS-LS4-1

Animal footprints might give clues about all of these except the animal’s

• diet.

• size.

• weight.

• behavior.