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3 cards from this section. Quick, good the night before a test.
What is natality?
Think about the birth rate.
Define immigration.
Consider individuals coming from elsewhere.
What does natality refer to?
Think of it as how many new individuals are added.
True or False: Exponential growth can occur indefinitely.
Consider the effects of limited resources.
Imagine a small island with a population of 50 rabbits that doubles every month. If there are no predators, how many rabbits will there be after 5 months?
This is an example of exponential growth.
You have a population of 100 fish in a small pond. If the carrying capacity of the pond is 200 and fish reproduction adds 10 fish per month, while 5 fish die each month, will the fish population reach the carrying capacity, and in how many months if immigration or emigration is ignored?
Calculate the effective monthly growth towards the carrying capacity.
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