Unit 2:
Ecosystems
Practice Test
1.
What is a collective term used to describe the chemical and physical reactions that occur in living organisms?
a.
reaction
b.
metabolism
c.
consumption
d.
production
Hint
2.
Which children's book character was upset about deforestation?
a.
The Brown Bar-ba-loot
b.
The Lorax
c.
Dr. Seuss
d.
The Once-ler
Hint
3.
What do we call openings in the leaves of green plants?
a.
stomates
b.
openings
c.
doors
d.
windows
Hint
4.
Producer, primary consumer, secondary consumer, and tertiary consumer represent what?
a.
animals
b.
food chains
c.
trophic levels
d.
food webs
Hint
5.
What do we call the organism(s) that have the greatest influence on an ecosystem?
a.
exotics
b.
consumers
c.
producers
d.
dominants
Hint
6.
What do we call pollution that does not come from a specific facility?
a.
non-point souce pollution
b.
air pollution from factory smoke stacks
c.
water pollution from manufacturing plants
d.
air pollution from power plants
Hint
7.
What do we call plants that need higher concentrations of carbon dioxide?
a.
C3 plants
b.
green plants
c.
corn plants
d.
C4 plants
Hint
8.
"Energy is not created nor is it destroyed during conversion to another form." What do we call this statement?
a.
the second law of thermodynamics
b.
the first law of thermodynamics
c.
recycling
d.
entropy
Hint
9.
What is the area required by an animal to obtain food, shelter, and mates, and to raise its offspring?
a.
habitat
b.
community
c.
home range
d.
biome
Hint
10.
What is the name of a nitrogen-fixing bacterium that lives inside root nodules of legumes?
a.
Pisolithus
b.
Pueraria
c.
Rhyzobium
d.
Lespedeza
Hint
