Across
- 3. a scientist who studies the growing of plants
- 6. native vegetation that remains unchanged when surroundings areas have been changed by activities such as grazing or forestry
- 9. a consumer that eats only other animals
- 11. the place where all life exists; consists of Earth and its atmosphere
- 12. the process of mating one breed of plant or animal with another breed of the plant or animal
- 14. term used to describe a species that has not been seen in the wild for over 50 years, and of which is the last known individual has died
- 15. an animal that eats only plants
- 16. raised bank built to prevent water reaching buildings
- 18. scientists who study the interactions between living things and their environment
- 19. characteristics that help an organism to survive in its environment
- 20. a consumer that eats a producer
Down
- 1. times of the year when fires are most likely to come
- 2. species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
- 4. part of the stem, root or leaf that is able to grow into a new plant
- 5. species that are close to extinction and very small numbers remain
- 7. individuals that are exactly the same as each other
- 8. species that has low numbers, often spread out over a large area; the population is not decreasing
- 10. a method of controlling unwanted pests by using a natural predator or disease
- 13. living factors in the environment
- 17. non-living things in the environment