3. Are all carnivores top predators? What distinguishes a top predator in the structure of a food chain? 4. What is the role of a keystone species in a community?
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3. Are all carnivores top predators? What distinguishes a top predator in the structure of a food chain?
4. What is the role of a keystone species in a community?
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- Energy Flow in Ecosystems Base your answers to the next 5 questions on the food chain below and on your knowledge of biology. grass → grasshopper → frog → snake → hawk 1. Draw an energy pyramid for this food chain.1.Give three examples of Detritivores? 2.how are consumers classified? 3. What are scavengers?9. According to the principle of competitive exclusion, what outcome is expected when two species with identical niches compete for a limiting resources? (A) one species will be extirpated, (B) both species will coexist indefinitely, (C) both species will go extinct, (D) the resource will no longer be limiting, (E) the two species will form a mutualism.
- 4. Why are there fewer top predators in ecosystems than herbivores? give an example.4. Use the diagram below to answer the questions. Bass Crayfish Small invertebrates Water plants Crabs Clams а) What do the arrows in the food web represent? b) List ONE (1) producer and TWO (2) secondary consumers in the food web.5. Which organisms do leopard seals eat? 6. Which organisms eat krill? 7. What producer(s) can be found in the food web? 8. List one important type of organism missing from this food web: 9. If there was a large oil spill which blocked most of the sunlight, decreasing the amount of algae available, how would each of the following populations be affected? 10. Use the food web to identify organisms using the following table so that the killer whale is the quaternary (fourth) consumer. 1. Primary consumer 2. Secondary consumer 3. Tertiary consumer 4. Quaternary consumer Created by counting organisms at each level First level carnivores Herbivores Marine Plankton Population How it Will Be Affected: Cod Leopard seal Killer whale Created by weighing organisms at each level First level carnivores Marine Plankton © 2011 Vanema mn Herbivores Killer whale Created by measuring calories at each level First level carnivores Marine Plankton Herbivores A B с View the three pyramids above. Identify…
- 1. What are some examples of changes in animal behaviors to adapt to climate change. PROVIDE 3 EXAMPLES 2. What are two ways humans can preserve biomass?4. What is coevolution? Provide an example of predatory-prey coevolution.1. What is the producer? 2. Identify the primary consumer(s): 3. Identify the secondary consumer(s): 4. Identify the tertiary consumer(s): 5. Identify the quaternary consumer(s): 6. Identify two herbivores: 7. Identify the single omnivore: 8. Identify four carnivores:
- 1. Identify one food chain: Terrestrial Food Web 2. Place a circle around the autotroph. 3. Place a triangle around the herbivores. Foxes Owls Birds 4. Place a square around the omnivores. Rabbits Mice Grasshoppers 5. Place a diamond around the carnivores. 6. Identify two predator-prey Carrots Grasses Grains relationships:8. Create a food web using the following food chains Berries to Deer to Black bear Algae to Salmon to Black bear Algae to Squid to Blue shark to Humans 9. Create a Food pyramid using the terms produces and consumers along with organisms from #8. Explain the energy transfer 10. Tom goes to Max's Bistro and orders the Blue shark, which gives him 2 kCal of energy. How much energy, on average, would have been necessary in the algae plants to sustain Tom's meal? Explain how you got your answer.1. What is diversity? 2. Differentiate between predation and herbivory. 3. List and give examples of four different defense mechanisms against predation and herbivory. 4. What is the competitive exclusion principle? 5. What is a niche? 6. What is symbiosis? 7. Define each of the three types of symbiotic relationships. 8. What is biodiversity? 9. What is species richness? 10. What is meant by relative species richness? 11. Differentiate between a foundation species and a keystone species. 12. What are several types of environmental disturbances? 13. What is succession? 14. Contrast primary and secondary succession. 15. What is a pioneer species? 16. What are the three stages of secondary succession and describe the vegetation that represents each stage.