Chapter 8 Test review (Standard 5)

What is pressed together to form rock with a fossil inside?

• a hollow

• sediments

• molds

• canyons

Which is an example of Earth's conditions slowly changing?

• meteors striking

• volcanoes erupting

• continents moving

• a mass extinction

How did cyanobacteria change life on Earth?

• they produced food from light

• they moved onto land

• they became extinct

• they turned into gas

What gas layer protects the Earth from the sun's radiation?

• the sedimentary layer

• the nitrogen layer

• the oxygen layer

• the ozone layer

In what time period did fish develop and trilobites rule the ocean?

• the precambrian time

• the mesozoic era

• the paleozoic era

• the cenozoic era

What time period is called the Age of Mammals?

• The Precambrian time

• The Mesozoic Era

• The Paleozoic Era

• The Cenozoic Era

What is the one thing that set hominids apart fromother primates?

• The walk upright

• They live in forests

• They have hair

• They have thumbs

Which group of hominids lived at the same time as Homo sapiens

• australpithecines

• Home erectus

• Homo habilis

• Neanderthals

A type of mammal characterized by opposable thumbs and binocular (three-dimensional) vision

• primate

• hominid

• neanderthal

• australpithecines

The trace remains of an organism preserved by geologic process.

• rock

• extinct

• fossil

• plant