They can have a profound influence on the balance of organisms in a particular ecosystem.Introduction or removal of this predator, or changes in its population density, can have drastic cascading effects on the equilibrium of many other populations in the ecosystem. stable conditions with no disturbance. A. competitively exclude other predators. large and close to a mainland. D. ⦠c. allow immigration of other predators. a. competitively exclude other predators. b. prey on the community's dominant species. 1. Sea otters are keystone predators that help to maintain high diversity levels by eating sea urchins. Keystone predators may increase the biodiversity of communities by preventing a single species from becoming dominant. intensive disturbance by humans. Which of the following could qualify as a top-down control on a grassland community? D) reduce the number of disruptions in the community. Keystone predators can maintain species diversity in a community if they _____. frequent massive disturbance. Examples include lions. prey on the community's dominant species. Keystone predators can maintain species diversity in a community if they. small and ⦠E) prey only on the least abundant species in the community. Keystone predators can maintain species diversity in a community if they. Keystone species fall into broad categories: Predator. Keystone predators can maintain species diversity in a community if they ANSWER: Correct Chapter 54 Question 6 Part A Food chains are sometimes short because ANSWER: moderate levels of disturbance. human intervention to eliminate disturbance. B. prey on the community s dominant species ʹ. E. none of the above 14 Keystone predators can maintain species diversity in a community if they: Select only ONE answer choice. Answer: B a. competitively exclude other predators. c. prey only on the least abundant species in the community. Keystone predators can maintain species diversity in a community if they _____. e. prey only on the least abundant species in the community . Such species help to maintain local biodiversity within a community either by controlling populations of other species that would otherwise dominate the community or by providing critical resources for a wide range of species. Keystone predators can maintain species diversity in a community if they _____. A. competitively exclude other predators. d. reduce the number of disruptions in the community. 2. B) prey on the community's dominant species. b. allow immigration of other predators. C) allow immigration of other predators. B. prey on the community s dominant species ʹ. C. allow immigration of other predators. Keystone predators can maintain species diversity in a community if they A) competitively exclude other predators. By keeping the populations and range of their prey in check, keystone predators, impact other predators as well as other animal and plant species further down the food chain. d. prey on the community's dominant species D. ⦠A.competitively exclude other predators B.allow immigration of other predators C.prey on the community's dominant species D.prey only on the least abundant species in the community effect of grazing intensity by bison on plant species diversity. E. none of the above 14 Keystone predators can maintain species diversity in a community if they: Select only ONE answer choice. A.competitively exclude other predators B.allow immigration of other predators C.prey on the community's dominant species D.prey only on the least abundant species in the community Keystone species, in ecology, a species that has a disproportionately large effect on the communities in which it occurs. C. allow immigration of other predators. Remove a keystone predator, and the population of creatures it once hunted can explode, pushing out other organisms and reducing species diversity.
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