earth day
Across
- 4. materials from industry that are poisonous to humans or other living things
- 5. A group of similar organisms that can mate with each other and produce fertile offspring
- 6. Damage done to a habitat that results in the loss of resources that organisms need to survive, like food, water, and shelte
- 8. A method of resource conservation that involves using products more that once
- 9. Cutting down of forests leading to increased erosion and slower soil regeneration.
- 10. Convert waste into reusable material.
Down
- 1. A mixture of gases that surrounds our planet; can be polluted from exhaust from vehicles or factories.
- 2. An area that provides an organism with its basic needs for survival.
- 3. A natural resource that can be replaced at the same rate at which the resource is consumed
- 7. The total surroundings (living and nonliving) of an organism or a group of organisms