1. How much have I studied? A lot Some A little Not at all
Principles of Ecology
How much have I studied?
A lot
Some
A little
Not at all D C B A
CDQ 1

2. Very well Sort of Not very well
Principles of Ecology
I have learned and practiced the vocabulary words as we have gone through this unit.
Very well
Sort of
Not very well D C B A
CDQ 1

3. How prepared do I feel for the
Principles of Ecology
How prepared do I feel for the
Ecology Test?
Very prepared
Sort of prepared
Not very prepared D C B A
CDQ 1

4. Principles of Ecology 1)
The act of one organism consuming another organism for food is _______.
predation
parasitism
commensalism
mutualism D C B A
CDQ 1

5. mouse heterotroph maple tree fox
Principles of Ecology 2)
Which of the following is an autotroph?
mouse
heterotroph
maple tree
fox D C B A
CDQ 2

6. Manure is a good source of ____ for crops.
Principles of Ecology 3)
Manure is a good source of ____ for crops.
energy
nitrogen and phosphorus
oxygen and carbon dioxide
water D C B A
CDQ 3

7. Which are biotic factors in a forest?
Principles of Ecology 4)
Which are biotic factors in a forest?
plants and animals
pH and salt concentration of the soil
sunlight, soil type and soil nutrients
temperature, air currents and rainfall D C B A
FQ 1

8. Principles of Ecology 5)
What is the name for a group of interacting populations that occupy the same area at the same time?
ecosystem
habitat
community
biotic collection A B C D
FQ 2

9. all of the biotic factors in an ecosystem
Principles of Ecology 6)
Which defines habitat?
all of the biotic factors in an ecosystem
an area where an organism lives
an area in which various species interact
the role or position that an organism has D C B A
FQ 3

10. Grass  Mouse  Cat  Wolf
Principles of Ecology 7)
If 4000 units of energy are available at the grass level, how much energy will be LOST by the time the energy reaches the wolf?
Grass  Mouse  Cat  Wolf
4 units
40 units
396 units
3996 units D C B A
FQ 4

11. What is the ultimate sources of energy for most food pyramids?
Principles of Ecology 8)
What is the ultimate sources of
energy for most food pyramids?
sunlight
autotrophs
herbivores
heterotrophs D C B A
FQ 6

12. Principles of Ecology 9)
What type of organism returns nutrients to an ecosystem by breaking down dead organisms?
decomposer
primary producer
secondary producer
top level consumer D C B A
FQ 7

13. What type of relationship do organisms with overlapping niches have?
Principles of Ecology
10)
What type of relationship do organisms with overlapping niches have?
mutualistic
commensalistic
parasitic
competitive D C B A
FQ 8

14. Principles of Ecology
11)
Which biogeochemical cycle involves evaporation, transpiration, precipitation and runoff?
carbon cycle
nitrogen cycle
phosphorus cycle
water cycle D C B A
FQ 9

15. Principles of Ecology
12)
Certain types of tropical orchids use trees for support in order to grow higher and obtain more light. This neither harms nor benefits the tree. What type of symbiotic relationship is this?
commensalism
competition
mutualism
parasitism D C B A
STP 2

16. It only eats other animals. It eats both plants and animals.
Principles of Ecology
13)
Why is a mouse classified as an omnivore?
It only eats plants.
It only eats other animals.
It eats both plants and animals.
It can make its own food. D C B A
STP 4

17. Principles of Ecology
14)
Which process takes nitrogen from the air and converts it into a form plants can use?
decomposition
denitrification
nitrification
nitrogen fixation D C B A
STP 5

18. 15)
If natality is 12, mortality is 7, immigration is 5, and emigration is 3……the net effect on the population is…
A. + 10
B. - 7
C. + 3
D. + 7

19. Type of dispersion: Bison
16)
Type of dispersion: Bison
A. Uniform
B. Clumped
C. Random

20. Type of dispersion: Mountain Lion
17)
Type of dispersion: Mountain Lion
A. Uniform
B. Clumped
C. Random

21. How is primary succession different from secondary succession?
Communities, Biomes, and Ecosystems
18)
How is primary succession different from secondary succession?
Primary succession deals with plants and secondary succession deals with animals.
Primary succession occurs in an area with soil.
Primary soil occurs in an area with no soil and secondary succession occurs in an area with soil (after a forest fire). D C B A
CDQ 1

22. Which biome is the most diverse?
Communities, Biomes, and Ecosystems
19)
Which biome is the most diverse?
tundra
tropical savanna
tropical seasonal forest
tropical rainforest D C B A
CDQ 2

23. Amount of precipitation Temperature Angle of sunlight
Communities, Biomes, and Ecosystems
20)
What factor has the largest impact on climate around the world?
Wind currents
Amount of precipitation
Temperature
Angle of sunlight D C B A
FQ 4

24. emigration imitation immigration migration
Population Ecology
21)
What term is used to describe the number of individuals moving into a population?
emigration
imitation
immigration
migration A B C D
CDQ 1

25. What is population density?
Population Ecology
22)
What is population density?
pattern of spacing of a population in an area
number of organisms in an area
Characteristics of a population
Manner in which a population grows A B C D
CDQ 2

26. when birth rate equals death rate when death rate exceeds birth rate
Population Ecology
23)
When does zero population growth occur?
when birth rate equals death rate
when death rate exceeds birth rate
when birth rate exceeds death rate
when there are zero births A B C D
CDQ 3

27. disease fire flooding weather Which is a density-dependent factor? 24)
Population Ecology
24)
Which is a density-dependent factor?
disease
fire
flooding
weather A B C D
FQ 1

28. competition extreme cold parasites predation
Population Ecology
25)
Which is a density-independent factor?
competition
extreme cold
parasites
predation A B C D
FQ 2

29. emigration predation available nutrients extreme temperatures
Population Ecology
26)
Which factor can limit the carrying capacity of a population?
emigration
predation
available nutrients
extreme temperatures A B C D
FQ 3

30. Population Ecology
27)
The study of the size, density, distribution, and movement of the human population is _______.
bioinformatics
demography
ecology
ethnography A B C D
FQ 4

31. Which type of population growth model does this graph represent?
Population Ecology
28)
Which type of population growth model does this graph represent?
exponential
spatial
genetic
logistic A B C D
CAQ 1

32. Which organism is the best example of a k-strategist?
Population Ecology
29)
Which organism is the best example of a k-strategist?
mouse
grasshopper
rabbit
whale A B C D
STP 5

33. A. Population will increase B. Population will stay the same
30)
Predict future population sizes: Pyramid shaped (pre-reproductive larger)
A. Population will increase
B. Population will stay the same
C. Population will decrease

34. Which is not a renewable resource?
Biodiversity and Conservation
31)
Which is not a renewable resource?
solar energy
fossil fuels
agricultural plants
clean water A B C D
CDQ 3

35. What is the number one cause of species extinction today?
Biodiversity and Conservation
32)
What is the number one cause of species
extinction today?
habitat loss
human predators
transported diseases
background extermination A B C D
FQ 7

36. biological magnification habitat fragmentation
Biodiversity and Conservation
33)
Look at the figure. Name the process that is occurring with the increasing concentration of DDT.
pollution
extinction
biological magnification
habitat fragmentation A B C D
CAQ 1

37. How does genetic diversity increase a species’ chance of survival?
Biodiversity and Conservation
34)
How does genetic diversity increase a species’
chance of survival?
It increases the number of organisms that have useful genes.
It increases the ability of a species to adapt to environmental changes.
It produces a variety of species within a biological community.
It randomly distributes members of a species throughout an ecosystem. A B C D
STP 2

38. fishes killer whales sea otters algae
Biodiversity and Conservation
35)
If a toxic substance enters this food web, which animals will have the highest concentration of the toxic substance in their tissues?
fishes
killer whales
sea otters
algae A B C D
STP 3

39. Certain pollutants have combined with substances in the air to form
Biodiversity and Conservation
36)
Certain pollutants have combined with substances in the air to form
the ozone layer
clean air
nutrient rich air
acid precipitation A B C D
FQ 7

40. non-native species (invasive/introduced species) abiotic factors
Biodiversity and Conservation
37)
What organisms move into an area and dominate, often causing existing species to decrease in population size?
endemic species
non-native species (invasive/introduced species)
abiotic factors
native species A B C D
FQ 7

41. Which is a false statement about the ozone layer?
Biodiversity and Conservation
38)
Which is a false statement about the ozone layer?
It acts as a protective shield
Human pollution has caused a hole in the ozone layer
The hole in the ozone is causing global warming
The ozone helps Earth to have an atmosphere A B C D
FQ 7

42. biological augmentation biological magnification bioacuzation
Biodiversity and Conservation
39)
Having farmers use natural predators to control pests, instead of pesticides is called
bioremediation
biological augmentation
biological magnification
bioacuzation A B C D
FQ 7

43. biological augmentation biological magnification bioacuzation
Biodiversity and Conservation
40)
What would be the best process to clean up oil spills in a natural way?
bioremediation
biological augmentation
biological magnification
bioacuzation A B C D
FQ 7

44. How prepared do I now feel for the Ecology Test?
Principles of Ecology
How prepared do I now feel for the Ecology Test?
Very prepared
Sort of prepared
Not very prepared D C B A
CDQ 1