Choose the letter of the best answer.

Choose the letter of the best answer.
1. Which among the choices below can be a solution?

A. Eat more meat C. Burn non-biodegradable garbage
B. Use plastic bag D. Use bicycle instead of riding a car

2. Which of the following is a biotic factor of the pond environment?

A. frogs C. materials are recyclable
B. muddy soil D. warm temperature

3. What do you call a biotic community where group of living
organisms interact with non- living factors of the environment?

A. Biosphere C. Ecosystem
B. Community D. Intertidal zone

4. Which of these may lead to destruction and imbalance of
ecosystem?
A. Animal Conservation C. Reforestation
B. Overfishing and overhunting D. Waste segregation

5. Which is an example of living things in the environment?
A. number of predators C. temperature of water
B. salinity of water D. type of soil​