Science Unit 5 Review

How do index fossils help determine the age of a rock layer?

• They are the oldest fossils ever found.

• They show the relative age of rock formations.

• They are evidence of animal activities in an area.

• They formed at only one particular time.

Tags

NGSS.MS-ESS1-4

What is a mass extinction?

• one species evolves into another similar species

• all members of the same species die out unexpectedly

• large numbers of certain species become extinct overnight

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

Tags

NGSS.MS-LS4-1

Which of the following fossils would make a good index fossil?

• a crab that lived only in Florida, in a small population during the Cenozoic period

• a dragon fly that lived in all areas of the United States, only in large populations during the end of the Paleozoic

• a maple tree that lived in northwest part of Ohio, in a small population during the Mesozoic

• a daisy flower that lived in the eastern United States, in large populations during the entire Cenozoic period

Tags

NGSS.MS-LS4-1

What have scientists determined about woolly mammoths?

• They were able to live in the very cold climate of the ice age.

• The more fur on their bodies, the older they were.

• Their fur helped block spears from hunters.

• The fur made their bodies too warm and caused them to become extinct.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

How could you demonstrate relative dating using a stack of newspapers?

• by identifying the age of each paper by the date listed at the top of each one

• by noting the dates of the top and bottom papers

• by describing the placement of the papers within the entire stack

• by comparing the stack of papers to a stack from a different newspaper

What does the fossil record refer to?

• the fossils in the rock layers on Earth

• the fossils in a layer being studied

• an encyclopedia of fossil photos

• a recording of fossil names

Tags

NGSS.MS-LS4-1

Ms. Resner was digging in her backyard and found fossils such as coral, clams, and fish. What did this tell her about the environment many years ago?

• An ocean once covered the area.

• The environment was cold and icy.

• There was a forest in this area.

• Desert sand covered this area.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which could result in a mass extinction?

• heavy thunderstorms

• no rain for long periods of time

• alternating dry and wet seasons

• rainy seasons followed by short periods of dry weather

Tags

NGSS.HS-LS4-5