Science Form 2: Ecosystem

Which organism is able to make its own food in an ecosystem?

• Primary consumer

• Decomposer

• Producer

• Secondary consumer

What is the main role of a decomposer in an ecosystem?

• Eating plants

• Breaking down dead animals and plants into simpler substances or nutrients

• Producing food

• Eating primary consumers

Which type of organism eats primary consumers in a food chain?

• Producer

• Decomposer

• Secondary consumer

• Tertiary consumer

What is a food chain used to show?

• The transfer of nutrients and energy in an ecosystem

• The relationship of feeding between organisms

• The combination of several food chains

• The classification of organisms

What is the process of nutrient cycle in an ecosystem?

• The movement of nutrients and energy within the ecosystem

• The eating of plants by animals

• The combination of food chains

• The breakdown of dead organisms

In a food chain, which organism is classified as a tertiary consumer?

• Plant that makes their own food

• Herbivore that eat plans only

• Carnivore that eats secondary consumers

• Decomposer that breaks down dead organisms

Based on the food chain diagram, which organism is the primary consumer?

• Kubis

• Siput

• Burung

• Musang

Why is a food web more complex than a food chain?

• It shows only one feeding relationship

• It combines several food chains and shows multiple feeding relationships

• It only includes producers

• It does not show energy flow

What is the process called when water vapor cools and forms clouds in the water cycle?

• Transpiration

• Condensation

• Evaporation

• Respiration

Which process in the water cycle involves water being absorbed by plant roots?

• Evaporation

• Transpiration

• Respiration

• Absorption