2. Science Unit B: Chapter 1 Hosted by Mrs. Tweedie

3. 100 200 400 300 400 Environment Forest Ecosystems Land Ecosystems Water Ecosystems 300 200 400 200 100 500 100

4. Row 1, Col 1 Everything around a living thing What is an environment?

5. 1,2 It is made up of trees that lose and regrow their leaves each year. What is a deciduous forest?

6. 1,3 An ecosystem in an area in which the main plants are trees. What are forests?

7. 1,4 It covers more than 70% of Earth’s surface. What is water?

8. 2,1 A group of the same kind of living things that live in the same place at the same time. What is a population?

9. 2,2 These grow in places such as Hawaii and Costa Rico. Hot and wet all year Have more types of living things than anywhere else on Earth What are tropical rain forests?

10. 2,3 An ecosystem where there is very little rainfall (about 10 inches of rain each year). Has rattlesnakes, lizards, scorpions, bats, rabbits Cactus What is a desert?

11. 2,4 Water found in oceans and seas that contains salt. What is salt water?

12. 3,1 All the populations that live in an ecosystem What is a community?

13. 3,2 Canopy- top layer with most sun Understory- middle layer Forest Floor- bottom layer What are the layers of the rain forest?

14. 3,3 An ecosystem made up of large, flat areas of land that are covered with grass Has deer, mice, prairie dogs, foxes coyotes, badgers, snakes, hawks What is a grassland?

15. 3,4 Water that has very little salt in it. What is freshwater?

16. 4,1 It provides a population with all its needs and includes nonliving things and living things. What is a habitat?

17. 4,2 It is made up of conifers or trees that don’t lose their needles in the fall. What is a coniferous forest?

18. 4,3 They grow low to the ground and have parts that help them save water. How do desert plants survive?

19. 4,4 Earth’s largest ecosystems. What are oceans?

20. 5,1 The living and nonliving things that affect each other, or interact. What is an ecosystem?

21. 5,2 They grow where there is a lot of rain but it does not get too warm or too cold. What are coastal forests?

22. 5,3 Steepe Prairie Pampa Plain What are other names for grasslands?

23. 5,4 ● lakes ● rivers ● streams ● ponds What are the main kinds of freshwater?