The process in which animals release carbon dioxide gas is called:
a
Respiration
b
Photosynthesis
c
Combustion
d
Burning
2
After a mild winter with plenty of food, the deer population grew rapidly. What most likely happened to the wolf population in that same ecosystem?
a
Unaffected
b
Grew
c
Reduced
d
Expanded
3
By increasing deforestation, it will decrease:
a
Soil erosion
b
Global warming
c
Drought
d
Rainfall
4
Which of the following is the most likely reason for a population crash?
a
The competition of the same resource suddenly drops.
b
The number of prey suddenly increases.
c
The number of predators suddenly decreases.
d
The carrying capacity of the environment suddenly drops.
5
A small fish called cleaner wrasse cleans the mouth of a large fish, removing and eating parasites and dead tissue. Which term best describe the relationship between the cleaner wrasse and the large fish?
