Name: ______Date: ______
Animal Interactions and Food Chains – Quiz
1. SNAKE OWL WOLF
What do all three of the above organisms have in common?
A. They all produce their own food energy source.
B. They all get their food from eating animals.
C. They all get their food energy from eating plants.
D. They are all herbivores and omnivores.
2. In the food relationship where the lion eats the wildebeest and the wildebeest eats plants…
A. The lion is the prey and the wildebeest is the predator.
B. The lion is the predator and the wildebeest is the prey.
C. The lion is the primary consumer and the wildebeest is the secondary consumer
D. The lion is the secondary consumer and wildebeest the primary consumer.
A. A & C only B. A & D only C. B & C only D. B & D only
3. Herbivores are eaten by…
A. carnivores and producers B. carnivores and omnivores
C. omnivores and other herbivores D. decomposers and producers
4. Which of these shows the flow of energy through a food chain?
A. predators to parasites to prey
B. plants to herbivores to carnivores
C. carnivores to omnivores to decomposers
D. predators to producers to decomposers
5. Dung beetles eat the dropping (waste material) of other animals. Therefore, dung beetles are ______.
A. producers B. predators C. decomposers D. herbivores
6. Look at the illustration of the food web.
How many different types of organisms does the killer whale eat?
A. 1 B. 2 C. 3 D. 5
7. In an ecosystem, grasshoppers eat grass. Frogs eat the grasshoppers. Mice in the ecosystem also eat the grasshoppers as well as blackberries. Which organisms in this ecosystem are herbivores?
A. mice B. frogs C. grass D. grasshoppers
8. Which of these would be an example of a primary consumer?
A. acorn B. tree C. zebra D. lion
9. If the number of decomposers in an ecosystem suddenly decreases, which type of organism will be affected directly?
A. producers B. omnivores C. carnivores D. secondary consumers
10. Which of the following is an example of a producer?
A. skunk B. apple C. lion D. none of the above
11. Which term describes both prey and predators?
A. herbivores B. producers C. consumers D. decomposers
12. Why are decomposers important?
A. They are the source of energy for food chains.
B. They help herbivores eat.
C. They return nutrients from dead matter to the soil.
D. They absorb energy from the sun.
13. What might happen to a food chain if the top predator becomes extinct?
A. Some animals will increase in number. B. Some animals will run out of food.
C. both A and B D. none of the above
14. Which of the following is an example of a secondary consumer?
A. tiger B. grass C. giraffe D. all of the above
15. If one species of an organism in an ecosystem suddenly disappeared, which would be the MOST LIKELY result?
A. The ecosystem would not be changed at all.
B. Many parts of the ecosystem would be affected.
C. The ecosystem would be destroyed immediately.
D. All of the plants would stop making food.
16. An animal that eats only seed and leaves is an example of which type of organism?
A. carnivore B. omnivore C. herbivore D. decomposer
17. The table provided shows the information on the diets of four different animals. Based on this information, which animal is a carnivore?
A. animal #1 B. animal #2 C. animal #3 D. animal #4
18. The graph provided shows a deer population in a Mississippi forest over a span of time. What most likely happened to other organism populations in this forest between 1970 and 2005?
A. The deer population is the only one that changed.
B. The number of plants that the deer fed on decreased in number.
C. The number of plants that the deer fed on increased in number.
D. The number of predators that fed on deer decreased in number.
19. Which statement describes what will happen if there is an increase in the population of zooplankton in this web?
A. The mullets will switch to eating zooplankton since it will be easier to find.
B. The blenny population will decrease as the space is taken up by zooplankton.
C. the barnacle population will increase because there will be more of its food supply.
D. The phytoplankton will increase to feed the increasing number of zooplankton.
20. Which of the following will happen if animal control removes all of the snakes from this field?
A. There will be more mice and rabbits and less grass.
B. There will be fewer mice and rabbits and more owls.
C. There will be fewer mice and more rabbits and grass.
D. There will be more owls, mice and grass and fewer rabbits.
· Questions #19 and 20 require you to cut and paste the pictures of the food webs that are currently in your new MS state practice test.
· Cut and paste questions 9-11 to fit on page one
· Cut and past questions 19-20 to fit on page two so that the test is one page, front and back