Unit 4 End of Unit

The fossils of extinct sea animals called trilobites are found in Ohio. That means that Ohio was once covered by

• grass

• water

• forests

• mountains

Mike and his dad went fossil hunting on a mountain. They found these fossils: a shark tooth, a snail shell and a clam shell. Based on these fossils, how had the area changed?

• It used to be warmer.

• It used to be colder.

• It used to be an ocean.

• It used to be in a desert.

Scientists study fossils to learn about extinct animals and plants. Which of these is the best example of a fossil?

• a footprint in a rock

• a seashell under water

• a leaf in a mud puddle

• a bone on top of a sand pile

What advantage do some plants have over animals in a drought?

• Plants can use underground water

• Plants can live without water

• Plants release oxygen

• Plants cannot move

The neck of a giraffe is an adaptation mostly for...

• feeding in the high treetops

• chewing on thorny vines

• keeping track of enemies

• defending itself against predators

The color of which animal allows it to blend into its environment?

• penguin

• squirrel

• cardinal

• polar bear

A fossil that formed when an organism pressed into mud, leaving behind a shape that hardened in the rock is a

• trace fossil

• fossil

• body fossil

• mold

The movement of weathered materials by water, wind or ice is

• erosion

• deposition

• weathering

• volcanoes

A behavior that an animal inherits from its parents is

• an organism

• an instinct

• a learned behavior

• a behavior

The act of living or continuing longer than another person or thing

• hibernate

• survivial

• habitat

• adaptation