Preserving Ecosystems

What is harmful materials in the environment?

• problems
• trash
• pollution
• pollen

What is a material that causes pollution?

• plants
• pollutant
• people
• property

What is trash that is not disposed of in a way that prevents harm to ecosystems?

• living things
• trash
• land
• litter

What is litter that causes a danger to the health of people and organisms?

• hazardous waste
• human waste
• factory waste
• landfill waste

What is matter that breaks down easily in the environment?

• toxic material
• biodegradable material
• dangerous material
• plastic materials

What is an organism that breaks down the remains of dead organisms or materials that are made from once-living things?

• decompressor
• composer
• compressor
• decomposer

What is decayed material from once-living things that is used to enrich soil?

• compile
• comfort
• compare
• compost

What is travel to natural habitats that avoids harming them and helps to preserve them?

• ecosystem
• ecology
• ecotourism
• economics

What is collecting old materials, processing them, and making new items?

• recycling
• rebuying
• rebooting
• replacing

 What is farming that helps to preserve ecosystems?

• green agriculture
• zero waste
• ecotourism
• pollution