PS Sol Study Guide

The diagram shows early embryological stages of a reptile, a bird, and a human. What do the similarities among the embryos suggest?

• The organisms have the same genetic structure.

• The organisms evolved from a common ancestor.

• The organisms appeared on Earth at the same time.

• The organisms are adapted to live in similar environments.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which era does the following globe best represent?

• cenozoic

• mesozoic

• paleozoic

Tags

NGSS.HS-ESS1-5

Which era does the following globe represent?

• cenozoic

• mesozoic

• paleozoic

Trilobite fossils from different time periods show small changes in appearance. What might account for the changes?

• catastrophic geologic events

• weathering and erosion

• increase in greenhouse gases

• response to environmental changes

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which explanation best describes why marine fossils have been discovered in rock layers in a desert environment?

• A catastrophic event occurred in the area in the past.

• Continental drift moved the rock layers from the coast to the desert.

• The area was once completely covered by water.

• Volcanic activity had once occurred in the area.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

A geologist studies two layers of sandstone that exist along opposite coasts of North America. Which characteristic of the layers provides the best evidence that they were deposited about the same time>

• particle sizes of the sand in the rock layer

• the rock layers' chemical composition

• the depth of the rock layers from the surface layer

• the fossils found in the rock layer

Tags

NGSS.MS-ESS1-4

By studying fossil records, scientists have concluded that the horses that lived 50 million years ago were much smaller, weaker, and slower than modern horses. Which natural process is responsible for the evolutionary changes that have lead to increased size, strength, and speed in horses?

• inbreeding

• migration

• mutualism

• natural selection

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The diagram represents fossils found in sedimentary rock in one location. In which of the following most likely environment did the mammoth most likely live?

• The environment was cold (ice or snow).

• The climate decreased in temperature.

• The environment most likely changed from arid or desert to cold (ice or snow).

• It became extinct.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The diagram represents fossils found in sedimentary rock in one location. Which statement most likely explains how the climate changed between 220 million and 12 thousand years ago.

• The climate increased in temperature.

• The climate decreased in temperature.

• The environment became covered by water.

• The environment became more tropical.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The diagram represents fossils found in sedimentary rock in one location. Which was most likely the effect of the climate change on the environment.

• The environment most likely changed from cold to desert.

• The environment most likely changed from tropical to tundra.

• The environment most likely changed from arid or desert to cold (ice or snow).

• The environment most likely changed from arid or desert to tropical.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

NGSS.MS-LS4-1