1. What will happen to the population of grasses when horses and carabaos compete for food? *

1 point

A. The carabaos and cows will die.

B. The population of grasses will be decreased.

C. The cows will eat more grasses than the carabaos.

D. The carabaos will be affected when there will be no grasses

2. What will happen if many pechay plants grow in one small plant pot only? *

1 point

A. They will all grow healthy

B. The soil will be decreased

C. They will compete with the nutrients from the soil

D. Nothing will happen

3. Which of the following examples of living things in an ecosystem show mutualism? *

1 point

A. Chicken and corn kernels

B. Carabao and cow

C. bees and flower

D. Dog and cat

4. In commensalism, how does an orchid benefit from a tree? *

1 point

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.

5. What will happen with the frogs if the insects decrease in number? *

1 point

A. They will suffer hunger.

B. They will suffer sickness.

C. There will be enough food for them.

D. There will be variety of food for the insects.

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