Name: 
 

RBES Vocabulary Qtr. 1



Matching
 
 
a.
Ecology
n.
Carrying Capacity
b.
Biotic
o.
Prey
c.
Abiotic
p.
Predator
d.
Population
q.
Symbiosis
e.
Community
r.
Mutualism
f.
Ecosystem
s.
Commensalism
g.
Biosphere
t.
Parasitism
h.
Herbivore
u.
Coevolution
i.
Carnivore
v.
Autotroph
j.
Omnivore
w.
Heterotroph
k.
Food Chain
x.
Biome
l.
Food Web
y.
Plankton
m.
Energy Pyramid
 

 1. 

A group of organisms of the same species that live in a specific geographical area.
 

 2. 

Describes the nonliving part of the environment, including water, rocks, light, and temperature.
 

 3. 

A relationship between two organisms in which one organism benefits and the other is unaffected.
 

 4. 

A group of ecosystems with similar climates and organisms.
 

 5. 

The study of the interactions of living organisms with one another and with their environment.
 

 6. 

An organism that eats only plants.
 

 7. 

A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed.
 

 8. 

A relationship between two species in which both species benefit.
 

 9. 

The part of earth where life exists.
 

 10. 

An organism that is killed and eaten by another organism.
 

 11. 

An organism that eats animals.
 

 12. 

A relationship in which two different organisms live in close association with each other.
 

 13. 

An organism that makes its own food.
 

 14. 

A community of organisms and their abiotic, or nonliving, environment.     
 

 15. 

The largest population that an environment can support at any given time.
 

 16. 

An organism that eats both plants and animals.
 

 17. 

Describes living factors in the environment.
 

 18. 

A diagram that shows the feeding relationships between organisms in an ecosystem.
 

 19. 

The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms.
 

 20. 

An organism that cannot make its own food.
 

 21. 

An organism that kills and eats all or part of another organism.     
 

 22. 

All of the populations of a species that live in the same habitat and interact with each other.
 

 23. 

The evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species.
 

 24. 

Small organisms that float or drift in water, especially at or near the surface.
 

 25. 

A triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain.
 



 
Check Your Work     Start Over