Unit 7-Fossil Record

Which of the following could lead to the gradual (only gradual) extinction of a species? (Choose 2)

• Meteor Strike

• Rising Sea Levels

• Massive Volcanic Eruption

• Glaciation

Tags

NGSS.MS-LS2-4

An example of a catastrophic event that could lead to mass extinction.

• Large Meteor Strike

• Rising Sea Levels

• Global Warming

• Falling Sea Levels

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS4-1

Scientist believe that the extinction of the dinosaurs was caused in part by a large meteor strike. What is the most likely sequence of events following the meteor strike?

• Global Warming, Rising Sea Levels, Dinosaurs Drown

• Sun cannot penetrate the atmosphere, photosynthesis stops, dinosaurs starve

• Hurricanes, flooding, dinosaurs go extinct

• Earthquakes, ice age, dinosaurs freeze.

Tags

NGSS.MS-LS4-1

Global cooling and glaciation would lead to _______________.

• Rising sea levels

• Falling sea levels

• Hurricanes

• Earthquakes

Tags

NGSS.MS-ESS2-2

Which two events could lead to mass extinction?

• An ice age

• Hurricane

• Massive volcanic eruption

• Tsunami

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS4-1

True or False: Evidence from the fossil record shows that species change gradually over time.

• True

• False

Tags

NGSS.MS-LS4-1

How do most fossils form?

• An insect becomes trapped in amber.

• An entire organism becomes frozen in ice.

• A dead organism becomes buried in sediment.

• A dead organism becomes buried in tar.

What evidence is most important when using relative dating?

• the half-life of a radioactive element

• the position of sediment in petrified rock

• the types of minerals in a petrified fossil

• the position of fossils in sedimentary rock layers

Tags

NGSS.MS-ESS1-4

How do scientists determine the actual age of fossils?

• relative dating

• sedimentary dating

• radioactive dating

• mold and cast dating

Tags

NGSS.HS-PS1-8

Index fossils must meet two criteria, they must have existed for a short period of time and ...

• be few in numbers

• lived for a long time

• be widely distributed

• be really old in age

Tags

NGSS.MS-LS4-1