4-ish billion years

Which layer is oldest?

• A
• W
• G
• Z

Tags

NGSS.MS-ESS1-4

Which is an example of a trace fossil?

• animal tracks
• coprolite
• burrows
• all of the answers given here

What is a fossil?

• the remains or physical evidence of an organism preserved by geologic processes
• fossils can be preserved in rock, amber, asphalt, or ice
• any naturally preserved evidence of animal activity
• fossil of an organism that lived during a relatively short period of time

Tags

NGSS.MS-LS4-1

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

_{Which rock layer contains the newest fossils?}

• F
• E
• B
• C

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Scientist find dinosaur fossils in the bottom of a cliff and mammals fossils in the middle layer, what can be inferred?

• dinosaurs ate plants
• dinosaurs were eaten by the mammals
• they lived at the same time
• dinosaurs lived before the mammals

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Ostrich wings are examples of

• homologous structures

• vestigial structures

• adaptations

• traits

Dolphins have the same arm structure as wolfs, what type of evidence for evolution does this represent?

• DNA

• vestigial structures

• homologous structures

• embryology

What would indicate that a series of fossils represent evolution?

• the fossils were identical

• the fossils were found in the same layers of rock

• the fossils show similarities

• the fossils were completely different

Why do embryologist study embryos?

• to see if they are related

• to understand adaptations

• to determine the age

• to learn what parents are vestigial