Unit 2 Lesson 4

Match the word to the correct definition.

• moving smoothly and easily

• selfless

• a very sad event

• method

• way

• graceful

• caring about the needs of others more

• tragedy

• set free, let go

• released

Match the following word to the correct definition:

• a machine or an object that does a job

• device

• loud, harmful sounds

• noise pollution

• way

• interfere

• cause a problem

• method

Match the following word to the correct definiton:

• useful

• role

• a wait

• fine

• job

• clever

• money one must pay as a punishment

• delay

The turtle excluder device has _______ that prevent a turtle from getting to far in a net.

• holes

• bars

• strings

• flaps

What does it mean if an animal has freedom?

• An animal has freedom when it can go where it wants.

• An animal has freedom when it is fed regularly by humans.
• An animal has freedom when it is trained to follow commands.
• An animal has freedom when it is kept in a cage.

How does the Manatee Conservation Center know when a manatee is ready to be released to the wild?

• it has gained weight and is socializing with other manatees.

• it can swim long distances without assistance.

• it has completed a training program at the center.

• it is healthy, can eat by itself.

Can people have different points of view about the same topic?

• Yes

• No

Why is tracking helpful to scientists who study whales?

• Tracking helps scientists find new whale species.
• Tracking is used to capture whales for research.
• Tracking provides data on ocean temperature changes.
• Tracking allows scientists to study whale migration, behavior, and health.

Sea turtles are __________ because of human activities.

• thriving
• endangered
• protected
• common

This prevents sponges from taking over coral reefs and forcing other creatures out.

What does the word prevents mean in the sentence above?

• helps open

• makes better

• becomes smaller

• keeps from happening