Download Ecology Unit Review

Name: ___________________________________________ Date: ________________ Hour: ___________
AP Environmental Science
Ecology Unit Review
1.
2.
Identify the following community components as (a) abiotic or (b) biotic.
______ plants
______ animals ______ temperature
______ microbes
______ rainfall ______ wind
A group of bullfrogs (Rana catesbiana) in the same farm pond constitutes a
____________________________.
3.
The major ecosystem in the Midwest US is ____________________________.
4. The major ecosystem of the southwest US is _________________________.
5. Give two examples of freshwater aquatic systems: ________________________ &
_____________________________.
6. In photosynthesis, plants use ____________________ energy to convert _____________
gas and ________________ into _________________ + _______________________.
7. Organisms that can produce all their own organic materials from inorganic raw materials in the
environment are called (autotrophs, heterotrophs). Give an example: __________________.
8. Organisms that must consume organic materials as a source of nutrients and energy are called
(autotrophs, heterotrophs). Give an example: __________________________.
9. List three organisms that could be classified as consumers: _________________________,
________________________, and __________________________.
10. Indicate whether the following list of animals would be predator (PR) or prey (PY) in a
predator/prey relationship.
______ wolf
______ coyote
______ quail
______ bear
______ deer
______ salmon
11. All dead organic matter (dead leaves, twigs, bodies of animals, fecal matter) is called
_________________________, and is consumed by ______________________.
12. In an ecosystem, the biomass of the herbivores is always (greater, less) than the biomass of the
producers, and the biomass of the carnivores is always (greater, less) than the biomass of the
herbivores.
Name: ___________________________________________ Date: ________________ Hour: ___________
AP Environmental Science
13. Construct a food chain using a grassland community that consists of: big bluestem grass,
grasshoppers, frogs, snakes, and owls. Then draw an energy pyramid.
14. Indicate whether the following categories of organisms occupy the (a) first, (b) second, (c)
third, or (d) have more then one trophic level.
______ producer
______ decomposer
______ prey
______ consumer
______ herbivore
______ omnivore
______ carnivore
______ predator
______ autotroph
______ heterotroph
15. Describe an example of mutualism:
____________________________________________________________________.
16. Where an organism lives is called its ____________________. How an organism lives is
called _________________________.
17. How do scientists determine the age of a fossil? _____________________
18. The definition of climate involves both ___________________ & ___________________.
19. Name two ways humans affect the Nitrogen Cycle:
__________________________________________________________________
__________________________________________________________________
Name: ___________________________________________ Date: ________________ Hour: ___________
AP Environmental Science
20. What biome would have permafrost? _____________________________
21. What three conditions are necessary for biological evolution?
22. Imagine a typical food chain. Answer the series of questions below the illustration by choosing
level 1, 2, 3, 4, 5, or all.
At which level:
______ is the most transferable energy available
______ would one find the least biomass
______ is a primary consumer located
______ is a producer located
______ could a white-tailed deer be a representative
______ is sunlight the original source of energy
23. In what order (1-4) would the following plant community appear during primary succession?
______ trees
______ mosses ______ shrubs ______ larger plants
24. A variety of beak variations amongst different bird species can be explained by
_________________________________.
25. How does the 2nd law of Thermodynamics support the “loss” of energy as trophic levels are
increased?
_____________________________________________________________________
26. How can genetic engineering help the future of our natural world?
27. Which of the following has caused the greatest number of species extinction?
a.
Habitat destruction
b.
Overhunting
c.
Pollution
d.
Competition by exotic species
Name: ___________________________________________ Date: ________________ Hour: ___________
AP Environmental Science
28. The number of different species an ecosystem has is called its:
a.
Species diversity
b.
Species richness
c.
Species evenness
29. Which of the following concepts includes all of the rest?
a.
Population
b.
Habitat
c.
Community
d.
Ecosystem
e.
Species
30. Which of the following biomes has the highest gross primary productivity?
a.
Arctic tundra
b.
Coniferous forest
c.
Grassland
d.
Tropical rainforest
e.
Desert
31. Which is likely to have the highest biodiversity?
a. Terrestrial biome
b. Marine biome
c. Shoreline biome
32. Which cycle does not directly involve the atmosphere?
a. Hydrologic cycle
b. Nitrogen cycle
c. Carbon cycle
d. Phosphorus cycle
e. None of these
33. Spotted owl is to specialist as human is to _________.
a. Consumer
b. Evolution
c. Generalist
d. R-strategist
e. Decomposer
Name: ___________________________________________ Date: ________________ Hour: ___________
AP Environmental Science
34. Which of these describes the current rate of extinction?
a.
Current rates of extinction are slightly greater than rates in the past
b.
Current rates of extinction are much greater than rates in the past
c.
Current rates of extinction are not significantly different than past extinction rates
35. A patch of weeds growing on soil in early summer may be exhibiting:
a. Interspecific competition
b. Predation
c. Mutualism
d. Parasitism
36. Which of the following is NOT usually a trait of a complex ecosystem?
a.
Resilience
b.
Stability
c.
High biodiversity
d.
High rate of succession
37. Species that help determine the number and types of other species in the community are
called:
a.
b.
c.
d.
e.
Indicator species
Native species
Non-native species
Keystone species
Endemic species
38. Which of these describes giraffes?
a. CO2 + H2O + energy  C6H12O6 + O2
b. C6H12O6 + O2  CO2 + H2O + energy
39. What is the “energy” of the giraffes in your answer to the previous question?
a.
Sunlight
b.
Glucose
c.
ATP
40. Which of the following is not a characteristic of a climax community?
a.
Have maximum species diversity
b. Have different dominant plants forms
c. Are self-perpetuating
d. Will maintain themselves regardless of climactic, abiotic, or biotic changes