Structures of Life Vocabulary Test

Crayfish are aquatic organisms.

• Instruments that measure wind

• Eat both plants and animals

• Where two bones meet

• Any living thing

Which behavior allows frogs to successfully live in their environment?

• Frogs eat insects. The frog shoots out its long tongue at an insect

• Frogs have long tongues

• Frogs have sticky pads on their tongues

• Frogs are amphibians

“Providing years of support and care is an adaptation that improves the chances that human offspring will survive.” What is the meaning of “survive” in this sentence?

• to feel loved

• to stay alive

• to stay safe

• to stand up

This question has two parts. First answer Part A. Then, answer Part B. Part A. “Any structure or behavior that improves an organism’s chances of survival in an environment is _____.

• an adjustment

• an adaptation

• a function

• a preference

What do adaptations help with- pick 2.

• A feature that helps an organism find food.

• A feature that helps an organism be useful.

• A feature that helps an organism hide.

• A feature that helps an organism have fun.

“A hard shell is a structure that helps keep the tortoise safe from predators.” The word predator means:

• An animal that defends itself from others.

• An animal that hunts and catches other animals for food.

• An adaptation that helps an animal survive.

• To be able to protect yourself.

“If you collect native crayfish from local ponds, you should return them to exactly the same pond. The classroom crayfish may not be native to your region.” Which statement below explains what the word native means?

• Is not naturally found in an area

• Is found naturally in an area

• Is found in freshwater.

• Is found on land.

“Invasive organisms are changing ecosystems all over the United States.” How do invasive organisms affect a new ecosystem?

“Every kind of plant and animal must reproduce.” What does reproduce mean?

• To spend time raising offspring

• To have offspring

• To protect yourself

• To protect your offspring

Which of the following are examples of a structure of a crayfish?

• pincher, walking legs, carapace

• walking and crawling

• eating food

• climbing over rocks