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SURVEY/POSTTEST - LIVING SYSTEMS

Last updated over 7 years ago
18 questions
Note from the author:
Living Systems Survey/Postest
Study the food web below.
2

Which organism best replaces the ??? in the food web shown above?

The rabbit population in a certain ecosystem sometimes decreases dramatically.
2

One possible explanation for this decrease is _____.

2

Mark X next to the statements that describe how marine and terrestrial ecosystems are alike.

2

What is the role played by redworms in an ecosystem? Mark X next to each sentence that is true.

2

Which system found in animals is similar to the vascular system in plants?

2

Many organisms have features that attract the attention of other organisms. Mark X next to each phrase that describes why these features are important.

2

Match the structures to their functions in the body. Drag an organ from the left side to its definition on the right side.

  • Heart
  • Kidney
  • Lung
  • Stomach
  • Capillary
  • Artery
  • Blood
  • Small Intestine
  • To reach every cell in the body
  • To pass nutrients from digested food into the blood
  • To filter waste products from the blood
  • To carry blood from the heart to the body
  • To exchange gases with the atmosphere
  • To carry oxygen, food, and nutrients through vessels
  • To pump blood throughout the body
  • To break down food with digestive juices and muscles
3

Mark X next to each function of the central nervous system.

Two students were sitting on a park bench at dusk, eating snacks. A mosquito landed on student A’s arm, and she slapped it. When she did that, she spilled a drink into student B’s lap, causing him to jump up.
3

What was the stimulus for student A?

2

What was the stimulus for student B

2

What was the response for student A

2

What was the response for student B?

2

Mark X next to the two words that correctly complete this sentence. “Plants get the materials they need for growth mainly from _____ and _____.”

2

What can communities do to improve the environment and help monarch butterflies survive?

2

Move instinct, learned, or reflex over to the correct situations:

  • Instinct
  • Learned
  • Reflex
  • Riding a skateboard
  • Bears hibernating in winter
  • Using a straw to drink
  • Using tools to gather food
  • Blinking when something comes toward you
  • Squirrels gathering acorns
Study the tables below that show the results of a stimulus/response investigation. The object of the investigation is to see how quickly students can move their hands out of the way of a falling cup.
2

Is this student right-handed or left-handed?

Look at the list of organisms in the box.
4

1. Draw a food web to show how they interact. (In this ecosystem, ants and gophers both eat grass; lizards eat ants, and hawks eat lizards and gophers.) 2. Label each of the organisms in your food web to tell if they are producers, consumers, or decomposers.

4

Two students were talking. Student A was examining the lettuce leaves in a salad he was eating. He said, “Did you know that I am eating energy from the Sun?” Student B was eating a hamburger. She said, “Did you know that I am eating energy that came from the Sun, too?” Do you agree with these two students? Explain in words or with a drawing why you agree or disagree with each student.