1. Organisms and Environments Review

2. Which of the following is represented in the diagram below? A. Transfer of energy B. Changing of a phase C. Evaporation of water D. Reflection of light

3. What happens to plants during a drought? A. They turn brown and die because it doesn’t have enough water B. They move to a place with more water C. They are healthy because it can make its own water D. They are healthy because it doesn’t need water

4. Animals survive BEST in an ecosystem that provides: A. Shelter and space B. Protection and air C. Food and water D. All of the above

5. A fire destroys all of the trees and plants in a forest. How might this affect the birds in the area? A. The birds will have more food to eat. B. The birds will have no place to build their nests. C. The birds will plant seeds and grow trees. D. The birds are not affected.

6. Skunks eat insects, bird eggs and fruit. Which group do skunks belong to? A. Carnivore B. Herbivore C. Omnivore D. Producer

7. Which of the following are changes to an environment that might help an animal thrive (do well)? A. More predators (hunters) moving into the area where the animal live B. Slightly less rainfall during the spring and a small drop in temperature C. A decrease (less) in the number of animals that compete (want) the same food D. A decrease (less) in the population of the kinds of plants the animal eats

8. What is most likely the FIRST thing to result from removing all the insects from the food chain pictured here? A. The snake would run out of food B. The plants would increase in number C. The hawks would fly to a different area D. The insects would swarm in trees.

9. In which habitat would a platypus most likely be found? A. W B. X C. Y D. Z

10. What happens when a frog eats a fly? A. some energy moves from the producer to the consumer B. some energy moves from the predator to prey C. some energy moves from the prey to the predator D. some energy moves consumer to the producer

11. A forest with trees and grass is a good habitat for a - A. whale B. deer C. shark D. fish

12. Which plant can be found in 2 ecosystems? A. grasses B. shrub C. mosses D. algae

13. Which of the following is a false statement? A. Animals cannot survive in a desert ecosystem B. Fish live best in a pond C. Cactus grows best in the desert D. Plants and animals live in all three ecosystems

14. The characteristic of an ocean environment that makes it different from environments like a forest or desert is that an ocean has - A. Plants that depend on sunshine B. Animals that eat other animals C. Large amounts of salt water D. Plenty of trees growing together

15. Which organism in this food chain is a producer? A. plant B. beetle C. hawk D. catfish

16. Which of the following correctly shows how energy moves through a food chain? A. Carnivores  producers  herbivores B. Sun  producers  herbivores  carnivores C. Sun  herbivores  carnivores  producers D. Producers  carnivores  herbivores

17. Draining all the water from a pond will most likely result in frogs- A. Living in the ocean B. Losing their habitat C. Laying more eggs D. Hopping more slowly

18. Based on the food chain that is illustrated below, what effect would be most likely as a direct result of increasing the number of fish? A. Beetles would have trouble finding food. B. There would be more kinds of plants. C. The population of beetles would decrease. D. Plants would no longer survive in this habitat.

19. How would a forest fire most likely help some organisms? A forest fire could help- A. Seeds by clearing space for them to grow B. Birds by making insects leave the forest C. Flowers by adding smoke to the air D. Squirrels by getting rid of many trees

20. People have introduced trout into rivers. How do the trout cause problems for frogs? A. The trout carry diseases that spread through the water to the frogs. B. The trout eat eggs and tadpoles, so frogs cannot grow and survive. C. The trout pollute the water, which causes frogs to get sick and die. D. The trout block sound so frogs cannot communicate with each other.

21. Which animal in the food chain is an herbivore and eats only plants? A. grasshopper B. fox C. hedgehog D. wolf

22. Living organisms and their nonliving surroundings are parts of - A. A life cycle B. An ecosystem C. A T-chart D. A natural resource