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1. 
What is the interaction where one species benefits, while the other species is neither helped nor harmed?
A.
Competition
B.
Predation
C.
Mutualism
D.
Commensalism
2. 
What characteristic is associated with r-selected species?
A.
Longer lifespan
B.
Slower development
C.
Smaller body size
D.
Higher parental care
3. 
Which example demonstrates mutualism?
A.
Lions and hyenas competing for prey
B.
A lion hunting and eating a gazelle
C.
Clownfish living among the tentacles of sea anemones
D.
Wolves preying on rabbits
4. 
Which example illustrates commensalism?
A.
Barnacles attaching to a turtle shell
B.
Bees pollinating flowers
C.
Lions and hyenas competing for prey
D.
A lion hunting and eating a gazelle
5. 
What tool helps ecologists understand where and how species live?
A.
Ecological niche
B.
Population dynamics
C.
Species interactions
D.
Interdisciplinary collaboration
6. 
which growth happens under ideal conditions and accelerates as the population grows?
A.
Arithmetic growth
B.
Exponential growth
C.
Logistic growth
D.
Geometric growth
7. 
What happens to population growth when the population size (N) equals the carrying capacity (K) in the logistic growth model?
A.
Growth slows down
B.
Growth becomes zero
C.
Growth becomes negative
D.
Growth accelerates
8. 
An increase in prey population typically precedes an increase in predator population in ecological systems.
A.
True
B.
false
C.
D.
9. 
Which of the following is a characteristic of K-selected species?
A.
Rapid development
B.
Small body size
C.
Low parental care
D.
Long lifespan
E.
All of the above
10. 
Which of the following species is an example of an r-selected species?
A.
Elephant
B.
Whale
C.
Fruit fly
D.
Human
11. 
Which of the following involves one species resembling another to gain protection or other benefits?
A.
Mimicry
B.
Camouflage
C.
Coevolution
D.
Competition
12. 
Which of the following correctly describes the role of tertiary consumers in a food web?
A.
They primarily feed on plants and algae.
B.
They are herbivores that consume primary consumers.
C.
They occupy the highest trophic level and feed on secondary consumers.
D.
They are producers responsible for generating energy within the ecosystem
13. 
Which of the following best defines an ecosystem?
A.
A group of organisms interacting with each other within a specific geographical area.
B.
The study of living organisms and their interactions with the environment.
C.
A community of organisms and the abiotic environment in which they live.
D.
The process of analyzing how changes in the environment affect living organisms.
14. 
_______ refers to the maximum population size of a species that a particular environment can sustain indefinitely, given the resources available.
A.
Ecological niche
B.
Exponential growth
C.
Logistic growth
D.
Carrying capacity
15. 
What is the size of the offspring or eggs in R-selected species?
A.
small
B.
large