Across
- 3. Plant/animal that is in endangered of becoming extinct
- 4. Area determined by number of different species
- 5. rise in the average temperature of the Earth's climate system
- 9. number of different species and relative abundance in a biological comunity
- 10. the home or environment of an animal, plant or organism
Down
- 1. A healthy biosphere
- 2. Plants/animals that may become endangered in the future
- 6. Plants or animals that once lived on Earth
- 7. When there are few animals of a specie left
- 8. Volcanic eruption, dramatic change in climate