Name: ________________________________
SNC 1D - ECOLOGY UNIT TEST REVIEW
WHAT WE’VE COVERED:
Ecosystem/Sustainable ecosystem
Biotic/abiotic factors
Earth’s spheres
Nutrient cycles (carbon, nitrogen, water)
• What they do, why they are
necessary, how they work
• Energy transfer
• Photosynthesis
• Trophic levels
• Food chains/webs
• Producers
• Consumers
• Top Carnivore
• Keystone Species
• Populations
• Influences
• Limiting factors
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• Interactions among species
• Predator/Prey
• Symbiotic Relationships
• Competition
• Mutualism
• Commensalism
• Parasitism
• Graphing
• How to
• Carrying capacity
• Exponential Growth
• Human Populations
• Human niche
• Ecological footprint
• Ecosystem Services
• Biodiversity
• Measuring it
• Threats
• Restoration ecology
PRACTICE QUESTIONS:
1. Why is sustainability important?
2. Name 3 biotic and 3 abiotic factors you would find in a forest.
3. Finish the sentences below:
a. A producer gets its energy by...
b. A consumer gets its energy by...
c. A decomposer gets its energy by...
4. What is the difference between a food chain and a food web?
5. What is photosynthesis? What kind of organisms perform photosynthesis? Why is it important?
6. What is the word equation for photosynthesis? What is the chemical equation?
7. What is cellular respiration? What kind of organisms perform cellular respiration?
8. What is the word equation for cellular respiration? What is the chemical equation?
9. How are photosynthesis and cellular respiration related?
10. What happens to energy as it moves thorough a food chain?
11. How do humans affect the carbon cycle?
12. Describe the water cycle.
13. What is eutrophication? What causes it?
14. Using the food chain to the right, answer these questions:
a. Name the producer.
b. Name a herbivore.
c. Name a carnivore.
d. Name the top carnivore.
e. Name a primary consumer.
f. Name a secondary consumer.
g. What would happen if the frogs were eliminated?
h. What would happen if the hawks became overpopulated?
15. What is a population?
16. What is carrying capacity?
17. What is a limiting factor?
18. Name 3 limiting factors for a lion population.
19. Use this graph to answer the following questions:
a. What is the carrying capacity for this population?
b. When did this population reach its carrying capacity?
c. When did this population grow quickly?
20. Describe each of the following relationships: predator/prey, competition, mutualism,
commensalism, parasitism. How would each look on a graph?
21. How have humans been able to exceed their natural carrying capacity?
22. What are 3 ecosystem services provided by a pond?
23. What is biodiversity? How is it measured? What can threaten it?