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Directions Choose the letter of the correct answer Write the answers on the blank

1. What do we call the study on the interaction of living things with one another and with its environment?
A Community.
C. Ecosystem.
B. Ecology.
D. Population.

2. What do you call the type of interaction where both organism benefit from each other?
A Commensalism.
C Mutualism.
B. Competition.
D Parasitism.

3. In rice fields, ducks eat the eggs of golden aplesala pesto rice plants What relationship exists between the ducts and the rice plants?
A Commensalism.
C Mutualism.
B. Competition
D. Parasitism

4. Which of the following examples of living things in an ecosystem show mutualism
A Chicken and corn kernels.
C.Carabao and cow.
B. Ants and aphids.
D Dog and cat.

5. In commensalism, how does an orchid benefit from a tree?
A. The orchid grows on the bark of the tree.
B. Tree provides nutrients for the orchids.
C. Orchid gets protection from the tree.
D Birds use the orchids as nest.

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