1. Interdependence Review

2. Which of the following is an example of an autotroph? 1.Decomposer 2.Scavenger 3.Consumer 4.Producer

3. Consumers depend on other organisms for energy. Their relationship can be shown in a food web. What organism provides the initial source of energy in a food web? 1.The sun 2.parasites 3.herbivores 4.producers

4. Which of the following are most helpful in preventing Earth from being covered with the bodies of dead organisms? 1.herbivores 2.Producers 3.Parasites and viruses 4.Fungi and bacteria

5. Herbivores, carnivores, omnivores, and scavengers are all: 1.decomposers 2.producers 3.predators 4.consumers

6. The relationship between a tick and the dog that it is biting is called: 1.Predation 2.Parasitism 3.Commensalism 4.Mutualism

7. The relationship between a tree and a bird living in the tree is called: 1.Predation 2.Parasitism 3.Commensalism 4.Mutualism

8. The crab Lybia tessellata carries a pair of sea anemones on its claws. The crab uses the sea anemone’s stinging tentacles as protection and the sea anemone obtains small food particles released by the crab as it feeds. Which type of symbiotic relationship does this best illustrate? 1.parasitism 2.commensalism 3.mutualism 4.give-take

9. A food chain shows: 1.One possible pathway for energy 2.Many possible pathways for energy 3.Amount of energy available to a producer 4.Amount of energy available to a consumer

10. How is a food web model different from a food chain? In a web… 1.energy moves from an organism to only one other. 2.energy may move to many organisms from one. 3.an organism gets energy from one source. 4.an organism receives less energy than in a chain.

11. On the energy pyramid where is the least amount of energy? 1.Secondary Consumers 2.Tertiary consumers 3.Primary consumers 4.Producers

12. Only 10% of energy is transferred to each level in the energy pyramid. This means that: 1.There are few top predators 2.Food chains are rarely longer than 5 links 3.There are more herbivores than carnivores 4.All of the above

13. Enter question text... 1.Hawk 2.Mouse 3.Grass 4.Frog

14. Which graph best represents a stable energy pyramid? 1.Choice One 2. Choice