The surroundings in which the organism lives is its:

Microorganisms are also called:

Organisms that depend on green plants for their food are called:

Green plants produce their own food by the process of:

Secondary consumers are also called:

The layer of air surrounding the Earth is called:

Which is the largest planet in the solar system?

Cutting down of trees to meet human needs are called:

All consumers depend on plants for:

Tiny organisms which feed on dead remains of plants and animals are called: