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Environmental Science: Section 1-2 Living Things Need Energy

Environmental Science: Section 1-2 Living Things Need Energy. 1. To survive, living things need energy. 2. What three groups can animals be divided into based on how they get energy? producers consumers decomposers. 3.

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Environmental Science: Section 1-2 Living Things Need Energy

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  1. Environmental Science: Section 1-2Living Things Need Energy

  2. 1 • To survive, living things need • energy

  3. 2 • What three groups can animals be divided into based on how they get energy? • producers • consumers • decomposers

  4. 3 • Organisms that use sunlight directly to make food are called __________. • producers

  5. 4 • Producers use a process called ________ to make food. • photosynthesis

  6. 5 • Herbivores, carnivores, and omnivores that eat other organisms are known as _________. • consumers

  7. 6 • A consumer that eats only plants is a(n) _________. • herbivore

  8. 7 • A consumer that eats only animals is a(n) _________. • carnivore

  9. 8 • A consumer that eats both plants and animals is a(n) __________. • omnivore

  10. 9 • An example of a herbivore is a(n) ______. • grasshopper • prairie dog • bison • etc.

  11. 10 • An example of an omnivore is a(n) _____. • grasshopper mouse

  12. Yes…There is such a thing as a grasshopper mouse

  13. 11 • Omnivores that eat dead plants and animals are called __________. • scavengers

  14. 12 • Organisms that break down dead organisms to get energy are called _______. • decomposers

  15. 13 • List two decomposers. • fungi • bacteria • other organisms that break down food

  16. 14 • A simple diagram that shows how energy in food flows from one organism to another is a(n) ___________. • food chain.

  17. 15 • A food chain does not show energy connections in nature as accurately as a food ___________ does. • web

  18. 16 • In food webs and food chains, does the arrow point toward the plant or animal doing the eating or the one that is eaten? • toward the one doing the eating

  19. 17 • List the two main food webs on Earth. • land • aquatic

  20. 18 • Why isn’t all of the energy that grass gets from sunlight passed on to the prairie dogs that eat the grass? • The grass uses most of the energy for its own life processes and only stores some of the energy.

  21. 19 • The diagram that shows an ecosystem’s loss of energy at each level of the food chain is known as ______________. • energy pyramid

  22. 20 • When gray wolves were wiped out as the wilderness was settled, what happened to the grass and elk in some areas? • There were a lot elk, since the wolves did not eat them, and they overgrazed the grass, so it was almost gone.

  23. The End!!!

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