Biology, 23.04.2020 16:35 CONFESSIONS3736
Populations expand when resources such as food, water, and shelter are abundant. Under ideal conditions, including unlimited access to food and reproduction at physical capacity, a population will increase exponentially, producing a J-shaped growth curve. However, resources are rarely unlimited, and exponential growth cannot continue indefinitely. The logistic model describes how population growth slows as the population size approaches a habitat’s carrying capacity (K). For a hypothetical mouse population, determine whether the actions described will increase K, decrease K, or not affect K.
Drag each statement to the appropriate bin.
K increases:
K decreases:
No effect on K:
1) a main competitor for food is eliminated, increasing food availability
2) a parking lot is built, shrinking the habitat
3) offsprings live longer
4)wetlands are drained, decreasing the amount of avail water
5) an abandoned buidling creates more nesting areas
6) a species with the same food requirements is introduced
Answers: 3
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Populations expand when resources such as food, water, and shelter are abundant. Under ideal conditi...
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