Across
- 2. - The blue planet
- 5. - A species at risk of going extinct.
- 7. - to search a place and discover things about it:
- 9. - the home of an animal or a plant.
Down
- 1. - to recognize or be able to name someone or something
- 3. - A clock or watch that contains moving hands and hours with markings
- 4. - the dying out or disappearance of a species from earth.
- 6. - a clock in which the hours, minutes, and sometimes seconds are indicated by digits, rather than by hands on a dial.
- 7. - everything that is around us, which includes both living and nonliving things such as soil, water, animals and plants, which adapt themselves to their surroundings.
- 8. - an alphabet