Chapter 5 crossword

7. native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing or forestry
12. an interaction between organisms in which both the organisms benefit from the relationship and neither is harmed
13. scientists who study the interactions between living things and their environment
15. an animal that eats both plants and animals
16. a scientist who studies the growing of plants
18. the term used to describe all the conditions that affect a plant or animal in its habitat
20. species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues

1. the flow of energy from organism to organism in a series of feeding relationships
2. part of the stem, root or leaf that is able to grow into a new plant
3. a consumer that eats a producer
4. raised bank built to prevent water reaching buildings
5. an animal that is eaten by a predator
6. times of the year when fires are most likely to occur
8. characteristics that help an organism to survive in its environment
9. individuals that are exactly the same as each
10. an animal that eats only plants
11. organisms that must eat other organisms to get the energy and nutrients they need; animals are consumer organisms
14. the term used to describe different types of living things
17. active or hunting at night
19. the place where all life exists; consists of Earth and its atmosphere