Pre-Test
Direction: Read each question carefully and encircle the letter of
the correct answer
1. It refers to the effect that a pair of organisms living together in
community have on each other. They can be either of the same species
or of different species.
A environment B. interaction C. diversity
Decology
2. It is the type of interaction where both species benefit from the
relationship
A mutualism B commensalism C. competition D. parasitism
3. It is the type of interaction where one organism benefits while the other
is not harmed nor affected.
A mutualism B. commensalism C. competition D. parasitism
4. Parasitism and competition are types of
interactions among
living organisms
A. Beneficial B. Harmful C. Significant D. Biological
5. Which of the following performs a competition interaction?
A. butterfly and flowers
C. buffalo and lion
B. fish and plants
D. birds and worms
IL Tell what type of interaction is being performed by the following pairs of
organisms. (Commensalism, Mutualism, Competition, Parasitism and
Predation)
6. aphid and rose plant
7. lion and buffalo
8. coral reefs and fishes
9. butterfly and flowers
10.birds and worms​