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- 1. Multiple Choice
Which of the following images shows a community?
- 2. Multiple Choice
Which of the following images shows a population?
- 3. Multiple Choice
Which of the following is an example of an abiotic factor?
Hair
Fecal Matter
Plants
Temperature
- 4. Multiple Choice
Which of the following is an example of "competition"?
A lion eats a zebra.
Two species of plants fight to get access to light in a forest.
A wasp lays its larvae in a caterpillar.
A human steps on a bug while walking down the street.
- 5. Multiple Choice
Which of the following is an example of "amensalism"?
A monkey climbs up a tree.
A bird lives in the hollow of a tree.
A wasp lays its larvae in a caterpillar.
Humans often step on bugs while walking outside.
- 6. Multiple Choice
Which of the following is an example of "neutralism"?
A monkey climbs up a tree.
A bird lives in the hollow of a tree.
A wasp lays its larvae in a caterpillar.
Humans often step on bugs while walking outside.
- 7. Multiple Choice
Traditional conservation strategies focus on protecting ___________, whereas the new approach to conservation focuses on protecting ______________.
ecosystems, a single species
A single species, communities
a single species, ecosystems
ecosystems, a single population
- 8. Multiple Choice
Which of the following can NOT be recycled in an ecosystem?
Minerals
Water
Nutrients
Energy
- 9. Multiple Choice
Which of the following is NOT a requirement for a sustainable ecosystem?
Nutrient availability
Energy supply
Detoxification of wastes
None of the above. All of these are requirements for sustainable ecosystems.
- 10. Multiple Choice
Is a greenhouse garden an example of a mesocosm?
No, because mesocosms are self-sustaining environments. Human are still needed to maintain a greenhouse garden.
Yes, because it's easier to control environmental variables in a green house garden than in an ecosystem in the wild
No, because you can't control the environmental variables in greenhouse gardens.
Yes, because greenhouse gardens exist within enclosed spaces.
- 11. Multiple Choice
Which off the following BEST explains why it's important to choose your samples randomly during an experiment?
It prevents you from choosing the same sample more than once
It prevents implicit bias from affecting your results
Doing so will give your samples more variety
Doing so will force you to think more carefully during your experiment.
- 12. Multiple Choice
Which type of sampling is best represented by this image?
Transect Sampling
Quadrat sampling
- 13. Multiple Choice
Which type of sampling is best represented by this image?
Biased sampling
Random sampling
- 14. Multiple Choice
In which situation would the Chi-Square test be most the useful?
When trying to determine whether the average size of a certain starfish population has significantly decreased over time
When trying to determine whether there's a significant difference in the sizes east coast starish and west coast starfish
When trying to determine whether there's a correlation between the pH level of ocean water and starfish size
When trying to determine whether a certain species of starfish lives in the same place as a certain species of seaweed
- 15. Multiple Choice
You obtain a X2 value of 2.5. Your data has 1 degrees of freedom. What is the critical X2 value you should use to assess your data? (Use the critical value table above)
7.815
11.345
3.841
5.991
- 16. Multiple Choice
You calculate a X2 value of 2.5. Your data has 1 degrees of freedom. Is your data significant?
Yes
No
- 17. Multiple Choice
You calculate a X2 value of 4.2. Your data has 1 degrees of freedom. Which hypothesis do you accept?
The null hypothesis
The alternate hyothesis
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