Environmental Science
Exponential growth occurs when there is

No environmental resistance
A great environmental resistance
No biotic potential
A fixed carrying capacity

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Environmental Science
A food web is

The set of prey species that are consumed by animals in an ecosystem
Like a food chain
A set of interconnected food chains, illustrating the tropic relationships among species
The tropic (feeding) levels that can be observed in an ecosystem

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Environmental Science
The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

Hotter summers and colder winters than at present
No appreciable change from present conditions
Cooler summers and milder winters than at present
Cooler summers and colder winters than at present
Hotter summers and milder winters than at present

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