Ecosystem

An ecosystem is a chain of interactions between _______ and their _______.

Which of the followings is NOT the type of an ecosystem?

• Terrestrial

• Aquatic

• Tundra

• Desert

The structure of an ecosystem contains ______ and ______ components.

Biotic components refer to all life in an ecosystem. It contains____, _____ and ______.

• producer

• consumer

• decomposer

• nutrient

For the consumers, it divided into ______, ______, ______ and ______.

Which of the followings are the examples of abiotic components?

• air and water,

• soil and minerals,

• temperature and sunlight

• wind and nutrient

In an ecosystem, sun is the major source of energy. During the biological process, there will be energy flow along ______ or ______.

• food chain

• food web

• photosynthesis

• decomposition

This figure shows the food chain of an ecosystem. Which one is the example of secondary consumer?

• 1

• 2

• 3

• 4