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Lifecycles & Ecosystems Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Producers are _____ because they get energy from the sun, make their own food, and make food for some animals.

Question 2 2. In a food chain, _____ is passed on from one organism to another.

Question 3 3. Decomposers eat _____ plant and animals, and create nutrients that are deposited into the soil.

Question 4 4. Herbivores (plant-eaters), carnivores (meat-eaters), and omnivores (eats both plants and meat) are all _____.

Question 5 5. What stage is the longest of the human life cycle?

Page 2

Question 6 6. How long does the baby stage last?

Question 7 7. During the teenage stage, a lot of changes start happening in our bodies. This period of change is referred to as _____.

Question 8 8. What forms when an egg and sperm combine?

Question 9 9. What is the main job of decomposers?

Question 10 10. Can a primary consumer eat a secondary consumer?

Page 3

Question 11 11. An ecosystem is made up of _____ and _____ things.

Question 12 12. What sizes can ecosystems be?

Question 13 13. How would you describe a mammal's gestation period?

Question 14 14. What factor(s) may affect a mammal's lifespan?

Question 15 15. Which one of the following is NOT true about mammals?

Page 4

Question 16 16. How do marsupials differ from monotremes?

Question 17 17. Your best friend wants to get a cheetah as a pet. Why is this a bad idea?

Question 18 18. What is NOT a cause of endangered species?

Question 19 19. The variety of living things on the planet is known as:

Question 20 20. Which of the following materials is NOT recyclable?

Page 5

Question 21 21. In what stage do animals develop the most and learn to find food, water, and shelter?

Question 22 22. Which of the following statements is TRUE?

Question 23 23. The stages an animal goes through from birth to death is a _____.

Question 24 24. What is the purpose of the reproduction stage?

Question 25 25. Which of the following statements is true about phytoplankton?

Page 6

Question 26 26. What kind of animal would you NOT find in a desert ecosystem?

Question 27 27. What is another name for a tropical forest?

Question 28 28. How much of Earth do marine ecosystems take up?

Question 29 29. Humans are _____. We are also part of a food chain.

Question 30 30. What is the end of the human life cycle called?

Lifecycles & Ecosystems Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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