1. ____________living things (you, plant, bacteria)
Ecology Vocabulary Practice
2. ____________non-living things (sunlight, temperature, water, air)
3. ____________a specific organsism’s habitat, lifestyle and role it plays in the environment
4. ____________eats prey
5. ____________eaten by predator
6. ____________relationship in which both organisms benefit (+, +)
7. ____________relationship in which one organism benefits and one is harmed (+, -)
8. ____________ relationship in which one organism is helped while the other is
neither helped nor harmed (+, 0)
9. ____________ relationship between 2 different species
10. ____________ things that limit the size of a population (climate, food, predation)
11. ____________limiting factors that are influenced by population size (food, predation,
disease)
12. ____________ is the increase in concentration of a pesticide like DDT
that occurs as you travel up a food chain, pyramid, etc.
13. ____________ limiting factor not dependent on population size (flooding, climate)
13. ____________ maximum number of organisms an environment can support; S-curve
14. ____________ makes sugar (C6H12O6) for food; autotroph (plants, algae)
15. ____________must eat others for food; heterotroph (mouse, human)
16. ____________ breaks down and recycles nutrients (bacteria, fungus)
17. ____________ level on an energy pyramid
18. ____________ only eats plants
19. ____________ only eats meat
20. ____________ eats plants and meat
WORD BANK
a. Autotrophic
b. Rachel Carson
c. Symbiosis
d. Competition
e. Producer
f. Heterotrophic
g. Bioaccumulation
h. Abiotic
i. Pesticides
j. Carnivore
k. Parasitism
l. Niche
m. Biocontrol
n. Herbivore
o. Decomposer
p. Biotic
q. Predation
r. Consumer
s. 10% Rule
t. Predator
u. Commesalism
v. Density dependent
w. Limiting factors
x. Mutualism
y. Prey
z. Omnivore
aa. Carrying capacity
bb. Density
independent
cc. Trophic level
dd. Biomagnification
21. ____________ organism that can make its own food (plants)
22. ____________ organism that consume its food from other sources
23. ____________ only some of energy moves up each trophic level
24. ____________ toxic chemicals that gather through the food chain; most harmful to top consumers
25. ____________ chemical used to kill pests (DDT for mosquitoes)
26. ____________ using living things to control pests (ladybugs eat aphids; frogs eat mosquitoes, etc.)
27. ____________ famous for DDT research; wrote Silent Spring (exposed that DDT weakened eagle eggs)
28. ____________ any +/- relationship between two species (herbivore/producer, predator/prey, etc.)
29. ____________a struggle over resources