Chapter 5 glossary
Across
- 4. - the process of mating one breed of plant or animal with another breed of plant or animal
- 8. Species that are very close to extinction and small numbers remain
- 10. - native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing and forestry
- 13. - Scientists who study interactions between
- 15. - a part of the stem, root or leaf that is able to grow into a new plant
- 16. - a term used to describe all the conditions that affect a plant or animal in its habitat
- 17. - the place where al life exists; consists of earth and its atmosphere
- 18. - living factors in the environment
- 22. - a method of controlling unwanted pests by using natural predators or diseases
- 23. - individuals that are exactly the same each other
Down
- 1. - a consumer that only eats other animals
- 2. - an ecosystem that is diverse and is able to provide for the need of the organism living there for a long period of time
- 3. - species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
- 5. - an animal that only eats plants
- 6. - an animal that eats both plants and animals
- 7. - depending on each other for survival
- 9. - A system formed by organisms interacting with each other and with their non living surroundings in a balanced way.
- 11. - term that is used to describe a species that has no been seen in the wild for 50 years, and which the last known individual has died
- 12. - non living factors in the environment
- 14. - an interaction between two organisms in which one of them benefits and the other one is not affected
- 19. - an interaction between two organisms in which both the organisms benefit from the relationship and none is harmed
- 20. - the flow of energy between organism to organism in a series of feeding relationships
- 21. things and their environment