Mammals Quiz #1

Which characteristic do all mammals share?

• They all have a pouch

• They all have a cloaca

• They all have fur or hair

• They all have scales

The period between the extinction of the dinosaurs and the present day is called the "Golden Age of Mammals or the

• Cenozoic Era

• Cenozoic Period

• Mesozoic Era

• Pennyslvanian Period

Dinosaurs became extinct 65 million years ago and mammals were able to take over.

• True

• False

Tags

NGSS.MS-LS4-1

Early mammals were about the size of a

• ostrich

• elephant

• skyscraper

• mouse

About 220 million years ago, mammals and dinosaurs both evolved at the same time.

• True

• False

Extinct mammal-like therapsids, the Cynodntia comes from the term cynodont meaning

• dog tail

• dog teeth

• dog ears

• dog nose

Therapsids have many similarities with mammals, such as a variety of teeth for different functions and the position of their eyes.

• True

• False

Tags

NGSS.MS-LS4-2

Early synapsids can be distinguished by their skull structure, which has a ________ opening behind each eye socket.

• single

• double

• triple

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NGSS.MS-LS4-2

About 300 million years ago, a major evolutionary split occurred in the terrestrial vertebrates producing 3 groups of animals.

• True

• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Adult mammals keep their teeth the rest of their life, unlike sharks and dinosaurs.

• True

• False

Tags

NGSS.MS-LS4-2