انسان اور اس کا ماحول

Plants are called producers because they:

• 1 Break down food
• 2 Decompose waste
• 3 Make their own food
• 4 Eat animals

In a food chain, the first organism is always a:

• 1 Producer
• 2 Consumer
• 3 Decomposer
• 4 Carnivore

Organisms that break down dead matter are:

• 1 Decomposers
• 2 Producers
• 3 Predators
• 4 Herbivores

Which of these is a greenhouse gas?

• 1 Helium
• 2 Methane
• 3 Neon
• 4 Argon

Cutting down forests is called:

• 1 Afforestation
• 2 Deforestation
• 3 Reforestation
• 4 Conservation

The Sun is the ultimate source of energy for:

• 1 Fungi only
• 2 Almost all food chains
• 3 Only animals
• 4 Only plants in water

An animal that eats both plants and animals is an:

• 1 Carnivore
• 2 Herbivore
• 3 Decomposer
• 4 Omnivore

Recycling helps to:

• 1 Cause pollution
• 2 Increase waste
• 3 Destroy forests
• 4 Reduce waste

The release of harmful substances into the environment is:

• 1 Conservation
• 2 Succession
• 3 Pollution
• 4 Respiration