Ecosystem

The term “ecosystem” is derived from the Greek word “Oikos” meaning.

• Body weight
• Food
• House
• Size

Rat in any food chain would occupy the position of

• Tertiary consumer
• Secondary consumer
• Primary consumer
• Producer

How many trophic levels are present in an ecosystem?

• 1-2
• 2-4
• 3-5
• 8-10

Which of the following is a detritivore?

• centipede
• snake
• bacteria
• lion

____ IS AN SECONDARY CONSUMER

• GRASSHOPPER
• FROG
• SNAKE
• PEACOCK