Ecosystems Review- Vocab Matching
Match the term to its definition.
1. ____ Ecology
A. a natural community of plants and animals in an area (desert, tundra, etc)
2. ____ Organism
B. an organism that makes its food with chemicals
3. ____ Species
C. an animal that consumes and helps break down dead organic matter
4. ____ Biosphere
D. something in an ecosystem that is not living
5. ____ Ecosystem
E. an organism that consumes plants and animals
6. ____ Community
F. an organism that consumes plants only
7. ____ Population
G. an organism that can make its own food
8. ____ Biome
H. an organism that feeds on another organism
9. ____ Abiotic factor
I. a group of organisms of the same kind
10. ____ Biotic factor
J. an organism that uses nutrients from decaying matter as energy
11. ____ Autotroph/Producer
K. an organism that cannot make its own food
12. ____ Photoautotroph
L. an organism that is consumed by another
13. ____ Chemoautotroph
M. something in an ecosystem that is living
14. ____ Heterotroph/Consumer
N. any living thing
15. ____ Herbivore
O. the study of living things and their interaction with the environment
16. ____ Carnivore
P. a group of different populations living in the same area
17. ____ Omnivore
Q. a group of organisms that can reproduce
18. ____ Scavenger
R. an organism that uses the sun to make its food
19. ____ Decomposer
S. all of the places on the earth where you find living things
20. ____ Detritivore
T. a community of organisms and its environment
21. ____ Predator
U. an organism that consumes animals only
22. ____ Prey
V. an organism that consumes dead or dying organisms
Match the term to its definition.
23. ____ Food chain
A. a diagram showing the relative amounts of matter among trophic levels
24. ____ Food web
B. the role that an organism plays in its environment
25. ____ Trophic level
C. an organism that comes into a new area and causes ecosystem imbalance
26. ____ Symbiosis
D. a symbiotic relationship where an organism benefits at the expense of another
27. ____ Mutualism
E. an organism that is normally found in an area; native
28. ____ Commensalism
F. a way to show what eats what in a straight line
29. ____ Parasitism
G. where an organism lives
30. ____ Competition
H. when an ecosystem is restored to its original condition or becomes different
31. ____ Photosynthesis
I. a symbiotic relationship where both organisms benefit
32. ____ Chemosynthesis
J. when toxins build up in an organism
33. ____ Respiration
K. the process by which some producers make their food using light
34. ____ Energy pyramid
L. a diagram showing all feeding relationships in an ecosystem
35. ____ Numbers pyramid
M. the buildup of toxins as you move up the food chain
36. ____ Biomass pyramid
N. a close relationship between two different organisms
37. ____ Habitat
O. a diagram showing the transfer of energy among trophic levels
38. ____ Niche
P. in a food web, the position of organisms based on feeding
39. ____ Endemic species
Q. a symbiotic relationship where one organism benefits while not affecting another
40. ____ Exotic species
R. a process used by organisms to convert food into energy
41. ____ Invasive species
S. when two organisms live in the same area and use the same resources
42. ____ Biodiversity
T. the process by which organisms use chemicals to make food
43. ____ Bioaccumulation
U. an organism that is not normally found in an area, nonnative
44. ____ Biomagnification
V. a diagram showing the relative population sizes among trophic levels
45. ____ Succession
W. the different types of organisms found in an area
Match the following in the diagram to the right.
46. ____ First order heterotroph – primary consumer
47. ____ Second order heterotroph – secondary consumer
48. ____ Third order heterotroph – Tertiary consumer
A
B
C
D