Biology Ev9 Quiz Cenozoic

Mammals took advantage of the extinction of the these animals to fill nearly every land niche .

• fish

• reptiles

• dinosaurs

• birds

The Cenozoic began 65 million years ago and continued until ...

• 2 million years ago.

• 500,000 years ago.

• 1200 years ago.

• present day.

Name the three periods that make up the Cenozoic Era.

• Paleogene

• Quaternary

• Neogene

• Cretaceous

• Holocene

What was the climate like during the Paleogene Period?

• hot and humid

• cold, with many ice ages

• dry and warm

• erratic due to volcanic activity

This was an important group of mammals that first evolved during the Paleogene Period.

• primates

• monotremes

• marsupials

• rodents

During the Quaternary Period Earth’s climate cooled, leading to a series of ice ages. Sea levels fell because so much water was frozen in glaciers.

• true

• false

During the Quaternary Period increased volcanic activity created land bridges between continents, allowing land animals to move to new areas

• true

• false

The last ice age was _______ years ago

• 120,000

• 12,000

• 1200

• 1,200,000

During the Neogene Period modern rain forests and grasslands appeared.  Many mammals increased in size, and early human ancestors appeared.

• true

• false

The evolution of larger size of some mammals was largely due to _______________.

• a colder climate

• a dryer climate

• a wetter climate

• a unstable climate