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Aim: How do Limiting Factors Affect the Size of Populations?
Review
How are you feeling today?
I'm doing great!
I'm doing okay
I'm not doing too well
None of these
If you could be any of these animals, which would you be?
wolf
deer
crow
snake
sea turtle
Recap: Yesterday's Activity
Yesterday we engaged in an activity where we saw how different environmental factors or resources (food, water, shelter) could influence the size of a wolf population.
Which best describes what happened to the wolf population when wolves could not find what they needed to survive?
Their population size stayed the same
Their population increased in size
Their population decreased in size
Which best describes what happened to the wolf population when wolves had plenty of access to the resources they needed?
In ecology, resources that organisms need can also be called Limiting Factors. Which of the following is the best definition for this key term?
Environmental factors that are all abiotic
Resources that are all biotic
Resources that may cause a species' population size to change
Environmental factors that affect predators but not prey
The graph shows the growth of a population of coyotes in a wilderness area. State one possible cause for the population decrease at X.
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