Ecosystem_Quiz_1

The term ‘ecosystem’ was coined by _____________in 1935.

• Ernst Haeckel

• A.G. Tansley

• Loius Pateur

An __________________is a functional unit of nature encompassing complex interaction between its biotic and abiotic components.

An ecosystem is a functional unit of nature encompassing complex interaction between its ___________ and _______________ components.

Sun light, temperature, rainfall, humidity and pressure are ________________factors of abiotic components

• Chemical

• Physical

• Biological

Carbon dioxide, nitrogen, oxygen, phosphorus, sulphur, water, rock, soil and other minerals are

____________________ substances

• inorganic

• carbonic

• organic

Carbohydrates, proteins, lipids, that are e the building blocks of living systems are ________________compounds

• organic

• carbon

• inorganic

The green plants manufacture food for the entire ecosystem through the process of photosynthesis are known as____________

• Producers

• Consumers

• decomposers

Green plants are called _______________

• autotrophs

• heterotrophs

Consumers are also called

____________________

as they depend on producers for food.

• heterotrophs

• Autotrpohs

organisms that directly feed on plants are called__________

• herbivores

• carnivores

• omnivores