1. Define the following terms:
Abiotic
Biotic
Autrotroph
Heterotroph
Niche
Habitat
Detritus
Ecosystem
Bioamplification
Pest
Pesticide
Leaching
Sustainability
Invasive species
Native species
Algal bloom
Producer
Consumer
Biomass
Population
Primary consumer
Secondary consumer
Carnivore
Herbivore
Omnivore
Inorganic
Organic
Trophic level
Top carnivore
Biome
Ecotone
Artificial ecosystem
Natural ecosystem
Watershed
Ecology
Community
2. What are the four spheres of the Earth?
3. Distinguish between a food chain and a food web. Draw an example of both
4. Why are decomposers important to a food web?
5. Why is biodiversity important to an ecosystem?
6. Describe three abiotic and biotic factors present in a forest ecosystem
and an aquatic ecosystem
7. Explain how energy is transferred throughout a food chain. Which
trophic level receives the most energy and why?
8. What is the word equation and balanced chemical equation for
photosynthesis and cellular respiration?
9. Why are photosynthesis and cellular respiration considered to be complementary
processes?
10.What part of the cell do photosynthesis and cellular respiration occur in?
11.What are the three ecology pyramids? Describe each one.
12.Summarize the main components of the carbon cycle
13.Distinguish between organic and inorganic carbon. Where is inorganic carbon
stored?
14.Summarize the main components of the nitrogen cycle. Include the following terms:
nitrogen fixation, nitrates, nitrogen fixing bacteria and denitrification.
15.Describe the processes of bioaccumulation and bioamplification. Why are they bad?
16.What is the difference between old and new pesticides? What is the difference
between broad-spectrum and narrow-spectrum pesticides?
17.What four factors affect the size of a population?
a. Know the formula for calculating population growth
b. What factors affect the population growth in a closed
population
c. How does this compare to an open population?
d. What is biotic potential? Describe the four factors that
affect the biotic potential of a species.
18.What is symbiosis? Describe the three types of symbiotic relationships
19.What are the four Canadian biomes? Rank them in order according to:
a. Amount of precipitation
b. Temperature
c. Length of growing season
d. Biodiversity
20.Species can be classified according to their level of extinction. What are the four
categories in which species may be placed?
21.Occasionally, introduced species may become invasive. What are the three ways of
controlling introduced species?
22.What are the two types of aquatic ecosystems?
a. Describe the differences between the two types of lakes
23.What two types of gases result in acid deposition? How does acid deposition occur?
Why is it a problem?
24.Why is soil important?
25.What is the difference between natural and synthetic fertilizers?
26.What problems are arising as a result of using fertilizers?
27.What are some alternative farming practices that promote healthy soil
management?
28.What is an ecological footprint? How can humans reduce their footprints?