Across
- 3. native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing or forestry
- 4. 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. the process of mating one breed of plant or animal with another breed of that plant or animal(e.g. cattle)
- 8. a system formed by organisms interacting with each other and with their non-living surroundings in a balanced way
- 10. an interaction between organisms in which both the organisms benefit from the relationship and neither is harmed
- 11. species that has low numbers, often spread out over a large area; the population is not decreasing
Down
- 1. species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
- 2. the process used by plants to make their own food
- 4. species that are close to extinction and very small numbers remain
- 5. part of the stem, root or leaf that is able to grow into a new plant
- 7. organisms that get the energy they need by breaking down dead matter and waste products
- 9. the chemical in plants that traps energy from the Sun and gives plants their green colour