Across
- 3. A group that have different characteristic from each other
- 4. The first species to be extinct due to man made activities
- 7. A group of closely related organisms that are very similar to each other
- 9. It is what ecosystem gives to us humans
- 11. the place where animals live
- 12. A great or plentiful amount
- 14. defined as a state of complete physical, mental, and social well-being.
- 15. it is the molecule that carries genetic information
- 17. It is a species that are not native to an area
Down
- 1. the study of classification of fauna and flora
- 2. it means variety of life
- 5. the study of heredity and variation of organisms.
- 6. Animals that primarily live in land
- 8. undesirable state of the natural environment being contaminated with harmful substances
- 10. A region of the earth having particular meteorological conditions.
- 13. complete disappearance of a species from Earth
- 16. Animals that live in marine environments
- 18. it is a biological community that includes all the abiotic factors that affect them