Chapter 30-31

The study of interactions that take place between organisms and their environment.

• microbiology

• histology

• ecosystem

• ecology

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Nonliving components of the environment.

• abiotic

• biotic

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An organism’s way of life (role in its environment)

• producer

• consumer

• habitat

• niche

The average number of individuals per unit of area or volume is called ______.

• Population size
• Population systematics
• Population density
• Population distribution

Under ideal conditions with unlimited resources, a population will have ________.

• linguistic growth
• experimental growth
• exponential growth
• logistic growth

Which of the following are density independent factor(s)?

• competition for resources

• predator-prey relationships

• parasitism and disease

• weather, natural disaster and man made disturbances

Which best describes the graph of logistic growth?

• S-shaped
• J-shaped
• W-shaped
• U-shaped

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

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A carbon "sink" is best described as:

• a reservoir that readily releases carbon to another reservoir
• a carbon reservoir that stores more carbon that it is releasing
• something that causes carbon to leak out to the atmosphere
• a carbon reservoir that is releasing more carbon than it is taking in

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Which of the following is abiotic?

• A tree in a forest.

• Wood from the tree on the forest floor.

• A termite on the tree.

• The soil the tree is growing in.

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