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Biology: The Unity and Diversity o...
Biology: The Unity and Diversity o...
Bluebirds are songbirds that, like wood ducks, nest in cavities in trees. European house sparrows, which have been introduced to North America, also nest in such cavities. Explain how the arrival of the house sparrows affected the carrying capacity for bluebirds. What affect would you expect this change have on the number of bluebirds?
To explain: The reason why the arrival of house sparrows affect the carrying capacity for blue birds.
Concept introduction: The highest number of individuals of population that can sustain in the environment indefinitely by the resources is called carrying capacity. Thus, the population growth attains logistic growth if the population reaches the carrying capacity. Certain factors that affect carrying capacity are food, water, and other raw materials. Eradication of complex system like space vehicles also influences the carrying capacity.
Bluebirds nest in the cavities in trees. Migrated European house sparrows also nest in such cavities of trees. The arrival of the house sparrows decreases the carrying capacity ...
To explain: The way for the effect that causes the change in the number of bluebirds.
Concept introduction: Carrying capacity is the largest number of individuals of population that can sustain in the environment indefinitely by the resources. Thus, the population growth attains logistic growth if the population reaches the carrying capacity. Certain factors that affect carrying capacity are food, water, and other raw materials. Eradication of complex system like space vehicles also influences the carrying capacity.
Chapter 44 Solutions
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