BIO 130 Keystone Predator Lab Quiz | Arizona State University

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• Question 1 In the "Starting Up" simulation, which species had the largest population? Mussel Nori Seaweed Mussel Starfish Acorn Barnacle Coral Weed • Question 2 In the "Who Rul ... es the Rock" simulation, the removal of which species had the greatest impact upon the rest of the community? Whelk Whelk Starfish Chiton Mussel Nori Seaweed Response Feedback: The Starfish is the Keystone Species in this ecosystem! • Question 3 Which of these species is "mobile," meaning it can move on its own. Mussel Mussel Nori Seaweed Black Pine Whelk Acorn barnacle Response Feedback: Whelk is a kind of mollusk and it can move on its own. • Question 4 In "Exercise 1: Flexing Your Mussels," the competitive dominance hierarchy shows the relationships between algae and the sessile consumers. Nori Seaweed is shown to be the algal species that is the strongest competitor? True True Fals e Response Feedback: Coral Weed is the strongest competitor of the 3 algal species. • Question 5 In "Flexing Your Mussels," Mussels are dominant over Goose Neck Barnacles. Fals e True False Response Feedback: Yes, Mussels are dominant over Goose Neck Barnacles • Question 6 Algae are __________. omnivores consumers herbivores predators producers omnivores Response Feedback: Algae, like plants, take in energy from the Sun and make their own food. Algae are valuable producers in the intertidal ecosystem. • Question 7 According to the food web diagram that you constructed in the "You Are What You Eat" simulation, which organism listed do Starfish NOT eat? Chiton Whelk Gooseneck Barnacle Mussel Chiton • Question 8 From the "Starting Up" reading, Nori is the algal species that is the "most widely eaten seaweed in the world." Tru e Tru e False • Question 9 In the "Who Rules the Rock?" simulation, the population of Acorn Barnacles increased significantly when Whelk were removed from the ecosystem. Tru e Tru e False Response Feedback: Yes, because Whelk are a major predator of Acorn Barnacles. • Question 10 In the "You Are What You Eat" simulation, which organism was most often found in the guts of Whelk? Black Pine Nori Seaweed Black Pine Mussel Acorn Barnacle [Show More]

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