Quiz on Environment and Ecosystems

What does the term 'environment' refer to?

• Only chemical factors

• Surroundings of an organism

• Only living things

• Only non-living things

What are the two main types of nutrition in living organisms?

• Saprophytic and Parasitic

• Photosynthetic and Chemosynthetic

• Carnivorous and Herbivorous

• Autotrophic and Heterotrophic

Which of the following is a biotic component?

• Air

• Water

• Soil

• Plants

What do decomposers do?

• Consume sunlight

• Break down organic matter

• Feed on living plants

• Make their own food

What is the first trophic level in a food web?

• Producers

• Primary consumers

• Tertiary consumers

• Secondary consumers

What does the pyramid of energy show?

• Biomass of each level

• Types of pollution

• Number of organisms

• Flow of energy

What is pollution?

• A food chain

• A type of ecosystem

• Introduction of harmful materials

• Natural resources

What is a food web?

• A single food chain

• A type of pollution

• A pyramid of energy

• Interconnections of different food chains

What is the ozone layer's function?

• To provide food

• To protect from UV radiation

• To create energy

• To decompose waste

What is biodegradable waste?

• Waste that cannot decompose

• Waste derived from plants or animals

• Waste made of plastic

• Waste that is always harmful