Quiz 4
1. Draw a food web that has 6 organisms that would live in the same ecosystem.
a. (2pts) Label each layer as primary consumer, producer, secondary consumer, and tertiary consumer.
b. (3pts) Trace the energy through the ecosystem. (10% rule and arrows)
c. (3pts) Infer three results if one organism of your choice is removed. Think how that would affect the food web above and below your organism.
2. (1pt) Why is “maker” a good synonym for a producer?
3. (3pt) Put a c for consumer and a p for producer. If it is a consumer then tell me if it is a herbi, omni, or carni.
a. Cactus d. Apple tree
b. Kangaroo e. Mouse
c. Venus fly trap f. Buffalo
4. (1pt) Which sentence best describes the similarity between a consumer and a carnivore?
a. There are no differences between a consumer and a carnivore.
b. They are completely different from each other.
c. A consumer is a type of carnivore
d. A carnivore is a type of consumer
5. (2pts) When a chipmunk eats a seed how much of the energy available to the seed is transferred to the chipmunk?
6. (1pt) Use your gift of inference to tell me what a top carnivore would be.
a. The lone predator on top of your food web.
b. Nothing eats the top carnivore.
c. It eats mainly meat (like the bear).
d. Has to eat a lot because it’s at the top of the food web.
e. All of the above f. A, B, D
7. (2pt) What are two things you can tell me about producers?
8. (1pt) Below is a diagram, is this a diagram of a food chain or food web?
Grass Cricket Mouse Rat Rattlesnake Eagle
9. (1pt) Use the above diagram to answer this question. If the grass has 100% of all the energy available, how much does the eagle get of that 100%?
10. (1pt) What happened to the rest of the energy that did not reach the eagle?
a. It was lost as body heat.
b. It was used up by the cricket, mouse, rat, and rattlesnake as they move and hunt.
c. Nothing all of it was transferred to the eagle.
d. A, B
11. A vulture eats dead things. Why is it not a decomposer? I am looking for a specific reason that we discussed in class.
12. A niche is where an organism lives, how it gets it food, and how good at living it is. Think of the niche as a role in the ecosystem. The coyotes from the video were able to take over LaMar Valley when the wolves were forced out.
a. T/F Getting rid of the wolves got rid of competition for the coyote for food and resources
b. T/F Getting rid of the wolves opened up a new niche for the coyotes to fill
13. For each of the following label them with a c for competition and leave blank if not an example of competition.
a. Elk using their antlers to prove dominance and attract the ladies
b. A bear and a wolf pack fighting over a buffalo kill
c. Magpies and foxes going after wolf kills
points total.
11Answer. Fly Spider bird cat dog rattlesnake eagle