Answer:
All the ones listed below are true
The theory that is being referred to the given situation above is the TWO-FACTOR THEORY. This is also known as <span>Herzberg's motivation-hygiene </span>theory<span> and dual-</span><span>factor theory. This theory shows that their are certain factors that would result in job satisfaction, and there are also factors that would cause the other way around, which is dissatisfaction. This theory applies in the workplace.</span>
Keystone predators can maintain species diversity in a community if they prey on the community's dominant species
Option B is correct.
What is meant by keystone predator?
A keystone species is usually a dominant predator whose removal allows a prey population to explode and often decreases overall diversity. other forms of keystone species are those, like coral or beavers, that significantly alter the habitat around them and thus affect large numbers of other organisms.
Are keystone species always predators?
A keystone species is usually , but not always, a predator. Just some predators can control the distribution and population of large numbers of prey species. the whole concept of keystone species was founded on research surrounding the influence of a marine predator on its environment.
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The answer is c) a number and a unit