PCRQ T Week 9_ 24W-LIFESCI-7B-LEC-1 Genetics, Evolution, and Ecology

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LS7B

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Biology

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Apr 3, 2024

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3/28/24, 12:32 PM PCRQ T Week 9: 24W-LIFESCI-7B-LEC-1 Genetics, Evolution, and Ecology https://bruinlearn.ucla.edu/courses/178453/quizzes/1003147?module_item_id=6462769 1/4 PCRQ T Week 9 Due Mar 5 at 8am Points 2 Questions 8 Available until Mar 22 at 11:59pm Time Limit None Allowed Attempts 2 Instructions This quiz was locked Mar 22 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 1 minute 2 out of 2 Score for this attempt: 2 out of 2 Submitted Mar 5 at 8:18am This attempt took 1 minute. Question 1 0.25 / 0.25 pts Correct! fundamental ecological realized Question 2 0.25 / 0.25 pts Correct! realized; fundamental fundamental; realized This quiz covers reading from sections 45.1-4 (island biogeography will be covered in Week 10 class meeting), and 46.3 A species' _____ niche comprises the full range of climate conditions and food resources that permit the individuals in a species to live. In general, a species' _____ niche will be smaller than its _____ niche due to interactions with other organisms in the community.
3/28/24, 12:32 PM PCRQ T Week 9: 24W-LIFESCI-7B-LEC-1 Genetics, Evolution, and Ecology https://bruinlearn.ucla.edu/courses/178453/quizzes/1003147?module_item_id=6462769 2/4 realized; multidimensional fundamental; realized ecological; multidimensional Question 3 0.25 / 0.25 pts Correct! a species' rate of reproduction and the carrying capacity of the environment predation and parasitism mutualistic relationships a species' fundamental niche and abiotic surroundings predator population size Question 4 0.25 / 0.25 pts Correct! interspecific competition. mutualism. intraspecific competition. parasitism. commensalism. Question 5 0.25 / 0.25 pts Which factors contribute most to intraspecific competition? Tropical leafcutter ants collect leaf cuttings which they transport to special underground chambers. There, the ants chew the leaves to create nursery beds on which they grow a species of fungus they use for food. When ant queens disperse to establish new colonies, they carry the fungus with them, dispersing it as well (which benefits the fungus). In the ants' new nest, the fungus is at risk of being destroyed by another fungal species that is able to grow in the same habitat, using the same limited resources. On their bodies, the ants carry and provide a home for bacteria that produce antibiotics the ants use to kill the newly encountered fungus and thereby protect their food supply. In this system, the relationship between the two fungal species is:
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