1. Which type of Organism has its own food and energy?

• Heterotroph

• Detritrophs

• Autotrophs

• Omnitrophs

2. What is the main source of energy in an ecosystem?

• Water

• Sun

• Air

• Food

3. Plants can convert carbon dioxide into oxygen and glucose, a common sugar consumed by most organisms, through a process called_?

• Food Web

• Consumer

• Energy

• Photosynthesis

4. When an organism dies, its remain will decompose through the help of decomposers like?

• Fungi and Bacteria

• Mushrooms

• Stray cats

• Protozoans

5. From where autotroph can absorb carbon dioxide, minerals/ nutrients in order to feed , reproduce and grow ?

• From the sun

• From the human activity

• From inorganic substances in the environment

• From the heterotrophs

It represents an attempt to describe the numerous alternative food energy pathways in a community, most of whose members have more than one choice of food ?

• Food Chain

• Food Web

• Decomposers

• Producers

7. Which of the following is the best described of Heterotroph?

• Use chemicals to synthesize energy

• Uses sunlight to make food

• An organism combine carbon dioxide from waterto produce sugar molecules

• It must consume other organisms for energy

8. Plants are producers because they cannot produce their own food.

• True

• False

Chemical Energy is a stored of energy?

• True

• False

Decomposers are responsible to breaking down the complex organic compounds into simple nutrients.

• True

• False