Ecosystem Quiz

The term 'Ecosystem' was coined by:

• Charles Darwin

• A.G. Tansley

• Odum

• Linnaeus

Which of the following is a biotic component?

• Air

• Water

• Plants

• Sunlight

Producers in an ecosystem are usually:

• Animals

• Fungi

• Bacteria

• Green plants

The flow of energy in an ecosystem is:

• Cyclic

• Reversible

• Unidirectional

• Random

An example of an abiotic component is:

• Algae

• Bacteria

• Light

• Tree

In a food chain, snakes are usually:

• Producers

• Primary consumers

• Secondary consumers

• Decomposers

The base of an energy pyramid is formed by:

• Carnivores

• Herbivores

• Producers

• Decomposers

Ecosystems are classified into how many broad types?

• One

• Two

• Four

• Five

Organisms that break down dead matter are called:

• Consumers

• Producers

• Decomposers

• Herbivores

The major source of energy for ecosystems is:

• Moon

• Earth

• Fossil fuel

• Sun