Across
- 3. species that are close to extinction and very small numbers remain
- 5. term used to describe a species that has not been seen in the wild for over 50 years, and of which the last known individual has died
- 6. species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
- 9. a scientist who studies the growing of plants
Down
- 1. the process of mating one breed of plant or animal with another breed of that plant or animal
- 2. native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing or forestry
- 4. species that has low numbers, often spread out over a large area; the population is not decreasing
- 7. part of the stem, root, or leaf that is able to grow into a new plant
- 8. individuals that are exactly the same as each other