8. Two greenhouse gases are __________________ and ____________________
9. a) A niche is:
b) An example of the niche of a big brown bat is
i.
ii.
10. ________________ is the interaction of organisms whereby one organism
eats another.
11. __________________ is the interaction of organisms where they vie for the
same resources.
12. _________________is the interaction of organisms whereby both organisms
benefit.
13. _________________ is the interaction of organisms whereby only one
organisms benefits from the other.
14. A mouse population begins at 500 individuals. During the year, there are 400
births, 50 deaths, 40 join the population and 25 flee to a neighboring population.
a) Calculate the population growth.
b) Calculate the growth rate.
15. Sketch a typical predator-prey graph below indicating the predator and prey
populations over time.
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