Chapter 5 Science!

2. a term used to describe non-living factors in the environment
4. a scientist who studies the growing of plants
6. the process mating one breed of plant animal with another breed of that plant or animal
10. species that are close to extinction and very small numbers remain
11. the flow of energy from organism to organism in a feeding relationship
13. part of the stem, root or leaf that is able to grow into a new plant
14. an organism that lives on or in a host, taking food or shelter from the host; the host gets nothing in return and may be harmed
16. an ecosystem that is diverse and able to provide fro the needs of the organisms living there over a long period of time
17. the process used by plants to make their own food
18. the chemical in plants that traps energy from the Sun and gives plants their green colour

1. non-living factors in the environment
3. a method of controlling unwanted pests by using a natural predator or disease
5. a raised bank built to prevent water reaching buildings
7. active hunting at night
8. an animal that only eats plants
9. regular burning to reduce the amount of fuel available for a fire
12. another name for interdependance
15. an animal that eats both plants and animals
19. an organism in or on which a parasite lives