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Unit 6 Ecology Assessment - DO
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Matching. Please use CAPITAL LETTERS. (1 pt. each)
A. Population
B. Symbiosis
C. Niche
D. Herbivore
E. Consumer
F. Carnivore
G. Ecology
H. Omnivore
1. A relationship in which two different organisms live in close association with each other
2. An organism that eats both plants and animals
3. An organism that eats other organisms or organic matter
4. An organism that eats only meat
5. The study of the interactions of living organisms with one another and with their environment
6. An organisms that eats only plants
7. The role of a species within a community
8. A group of organisms of the same species that live in a specific area
Multiple Choice. Identify the choice that best completes the statement or answers the question. (1 pt. each)
9. Which of the following is a biotic factor?
A. wind
B. small rocks
C. leaves on trees
D. light from the sun
10. What is the result/product of cellular respiration?
A. Food or glucose is made and stored in cells
B. Chemical Energy, in the form of ATP, carbon dioxide and water are given throughout the cell
C. Sunlight is captured in chlorophyll and used to make food
D. Energy is released for use in cell functions
11. Sunlight and chlorophyll play major roles in photosynthesis. What happens when sunlight strikes a plant’s
leaves?
A. Chlorophyll captures oxygen
B. Chlorophyll captures light energy
C. Chlorophyll releases light energy
D. Chlorophyll releases carbon dioxide
12. What are the reactants (products) of photosynthesis?
A. Carbon dioxide and water
B. Glucose and water
C. Glucose and oxygen
D. Carbon dioxide and oxygen
13. What is the primary role of decomposers in an ecosystem?
A. To control the population of producers and consumers
B. To compete with producers for energy and other resources
C. To provide a source of energy for the producers in the ecosystem
D. To recycle energy and materials from dead producers and consumers
14. In a relationship between two organisms, sometimes one organism is predator and the other is prey.
Which of the following is the best description of prey?
A. An organism that eats another organism
B. An organism that is eaten by another organism
C. An organism that is harmed by another organism
D. An organism that another organism benefits from
15. The sun is the primary source of energy in most ecosystems. Producers use the sun’s energy to make sugar
during photosynthesis. Which of the following correctly identifies the transfer of energy during
photosynthesis?
A. Thermal energy to light energy
B. Thermal energy to chemical energy (food/glucose)
C. Light energy to chemical energy (food/glucose)
D. Chemical energy to light energy
Symbiosis. Match the symbiotic relationship with each scenario below. Use M (Mutualism), (P) Parasitism,
or C (Commensalism) 1 pt. each
16. Bacteria living on human skin causing the human to possibly get sick
17. A hermit crab carrying a sea anemone on its back; the sea anemone protects the hermit crab from larger
fish and the hermit crab carries the sea anemone to other food sources.
18. Orchids growing in a tall tropical tree. The tree is not harmed but the orchids get sunlight.
19. Bees gathering pollen from a flower and carrying the pollen to another flower
Use the word bank below to fill in the missing information. (1 pt. each)
J. Mutualism
K. Parasitism
L. Commensalism
M. Competition
N. Food Chain
O. Food Web
P. Biotic
Q. Abiotic
20. An environmental factor that is associated with or results from living organisms.
21. When two or more organisms depend on the same limited resource
22. A diagram that show the feeding relationship between organisms of an ecosystem
23. A symbiotic relationship in which one organism benefits and the other is harmed
24. An environmental factor that is associated with or results from non-living organisms
25. A pathway of energy transfer through various stages from one organism to the next.
26. A symbiotic relationship when both organisms benefit.
27. A symbiotic relationship when one organism benefits and the other is unaffected.
Short Answer. (2 pts. each)
28. What are the levels of an ecosystem from SMALLEST TO LARGEST?
29. What are two factors that can cause competition amongst organisms in an ecosystem?
30. How do plants and animals get the food/glucose they need in order to survive?