Food Webs Practice

Use the image below to answer questions 1-7. 1. What is missing from the food web? Carnivore Herbivore Detritovore Omnivore 2. Why are detritovores unique within ecosystems? They transfer a lot of energy from the top of the food web to the producers at the bottom. They transfer nutrients throughout a food web, not energy. They transfer energy throughout the food web. They transfer nutrients to the producers at the bottom of the food web, not energy. 3. Use the image above to sort the organisms based on the niche they fill their ecosystem. Carnivore Owl Omnivore Fox Sparrow Herbivore Rabbit Mouse Grasshopper Producer Berries Grass Grain 4. What consumer level is the fox? Primary Secondary Tertiary Secondary Tertiary Primary Secondary Secondary 5. What consumer level is the mouse? Primary Secondary Secondary Tertiary Primary Secondary 6. What consumer level is the owl? Tertiary Secondary Tertiary Primary Secondary 7. What consumer level is the sparrow? Tertiary Secondary Tertiary Primary Secondary Secondary Use the food web below to answer questions 8 - 12. 8. Which of the following organisms do NOT eat kelp? (Mark all that apply.) Sea Urchin Black Rockfish Otter Kelp Bass 9. Which organisms form the base of this ocean food web? (Mark all that apply.) Sea Cucumber Kelp Bat Star Phytoplankton 10. What niche does the sea cucumber fill? Detritovore Carnivore Herbivore Omnivore 11. Which of the following organisms is NOT a part of the sea otter food chain? Orca Sea Urchin Kelp Kelp Bass 12. If the sea otter were removed from the food web, what do you think would happen to the food web? Be sure answer in complete sentences for full credit.3 pts