Across
- 2. A major community of plants and animals with similar environmental conditions.
- 6. A living thing
- 7. A branch of biology dealing with relationships between organisms and their environment.
- 8. A group/association of 2 or more different populations living in the same area.
- 13. The amount of carbon that is emitted and its effect.
- 14. A group of the same species living in the same place.
- 16. The variety of organisms throughout all
- 17. Living things.
- 18. An area where plants and animals interact with each other.
Down
- 1. factors Something that slows or stops a population's size from growing.
- 3. Non-Living things.
- 4. A balance between the earth’s resources
- 5. effect A warming effect when gas traps heat in the atmosphere.
- 9. The conversion of food and drinks into energy.
- 10. The zone on earth that surrounds all of the earth’s ecosystems.
- 11. species A non native species that is introduced into a new environment and can be harmful to the environment.
- 12. curve It shows how a population survives during different ages.
- 15. density It’s the population of a certain area.
