d. reduce the number of disruptions in the community. D. … human intervention to eliminate disturbance. A. competitively exclude other predators. C) allow immigration of other predators. Sea otters are keystone predators that help to maintain high diversity levels by eating sea urchins. Keystone predators can maintain species diversity in a community if they. intensive disturbance by humans. c. allow immigration of other predators. Examples include lions. D) reduce the number of disruptions in the community. 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. E. none of the above 14 Keystone predators can maintain species diversity in a community if they: Select only ONE answer choice. Keystone predators can maintain species diversity in a community if they _____. Keystone predators can maintain species diversity in a community if they _____. b. allow immigration of other predators. 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 c. prey only on the least abundant species in the community. B. prey on the community s dominant species ʹ. 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. B) prey on the community's dominant species. B. prey on the community s dominant species ʹ. 1. Keystone predators may increase the biodiversity of communities by preventing a single species from becoming dominant. Which of the following could qualify as a top-down control on a grassland community? 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 D. … e. prey only on the least abundant species in the community . E. none of the above 14 Keystone predators can maintain species diversity in a community if they: Select only ONE answer choice. Remove a keystone predator, and the population of creatures it once hunted can explode, pushing out other organisms and reducing species diversity. d. prey on the community's dominant species Keystone predators can maintain species diversity in a community if they. E) prey only on the least abundant species in the community. 2. frequent massive disturbance. Keystone species fall into broad categories: Predator. a. competitively exclude other predators. C. allow immigration of other predators. Answer: B small and … large and close to a mainland. stable conditions with no disturbance. 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. b. prey on the community's dominant species. Keystone predators can maintain species diversity in a community if they _____. a. competitively exclude other predators. A. competitively exclude other predators. Keystone species, in ecology, a species that has a disproportionately large effect on the communities in which it occurs. Keystone predators can maintain species diversity in a community if they A) competitively exclude other predators. 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. effect of grazing intensity by bison on plant species diversity. C. allow immigration of other predators. prey on the community's dominant species.

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