Unit 6 Science Test Fossils

Janice found a rock and used a hammer to split it open. One half of the rock had a raised shape of a shell. The other had an impression of the shell. What type of fossil did Janice find?

• a mold and a cast of a shell

• a shell frozen in rock

• a shell preserved in amber

• a trace fossil of a seashell

Tags

NGSS.MS-LS4-1

What type of rock are most fossils found in?

• Igneous rocks

• sedimentary rock

• metamorphic rock

• sand

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NGSS.MS-LS4-1

Which type of fossils would closely resemble how an organism looked like in life?

• carbon film

• trace fossil

• mold

• cast

The Green River Formation in Wyoming is made of layers of rock that contain fabulous fish fossils. What most likely occurred to allow the fish to be preserved so well?

• The fish got buried in sediment.

• Animals ate the fish so the bones were clean and ready to turn to fossils.

• The fish moved along until it landed in a safe quiet place.

• The temperature increased until conditions were right to form fossils.

Tags

NGSS.MS-LS4-1

Which of the following is not an example of some environmental changes that lead to the extinction of organisms?

• climate change

• solar ellipse

• natural disasters

• deforestation

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NGSS.MS-LS4-1

NGSS.MS-LS2-4

The woolly mammoth lived in a very cold, snowy environment. What of the following might not be a use for its large tusk?

• for protection

• to scrape ice and snow off vegetation

• to attract a mate

What may have caused 75% of Earth's organisms to become extinct approximately 65 million years ago?

• glaciers

• disease

• a meteorite impact

• the temperature became too warm

Tags

NGSS.MS-LS4-1

What is a mass extinction?

• one species evolves into another similar species

• all members of the same species die pout unexpectedly

• large numbers of certain species become extinct overnight

• many species become extinct over a short period of geologic time

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NGSS.MS-LS4-1

Joanie brought home several different seashells from the beach. Which one is a fossil?

• a clam that died on the way home

• a rock with an imprint of a seashell

• a clump of seashells stuck together

• two seashell halves that fit together

Which extinct organism is most closely related to today's sharks?

• ammonite

• trilobite

• megalodon

• mammoth

Tags

NGSS.MS-LS4-2