Chapter 1 definitions

3. An animal that extracts its energy from other animals. A meat eater.
6. The relationship between more than one population and the environment in which they live.
7. The formation of a new organism or cell from already living organisms or cells in order to propagate the species or make new cells.
10. The two-part name of an organism that has been classified using the six kingdom system.
12. A careful method of testing a hypothesis.
15. The maintenance of a stable internal environment in order for an organism to live.
19. The orderly classification of plants and animals according to their observed natural relationships to one another as well as similarities in structure and function.
20. The ability to see an image's fine detail.
21. An animal that extracts its energy only from plants. A plant eater.
24. The amount by which an image is enlarged by a microscope.
25. The process by which an organism extracts energy from its surroundings and uses it to sustain itself.
26. Two words - A standard set of units that are used by all scientists around the world.
27. A hypothesis which has undergone extensive experimentation and has been found to completely explain a question.

1. An animal that can extract its energy from either plants or animals.
2. An instrument that produces enlarged images of very small objects.
4. The surroundings in which an organism lives - can be external or internal.
5. Organisms that derive their energy from dead organisms.
7. Specialized molecules or organs that all life forms possess that allow them to sense and respond to changes in their environments.
8. The process by which the energy of the sun is captured and used to make sugar molecules.
9. The molecule that contains the genetic material in all life forms.
11. The organism that receives the genetic material and is formed as a result of reproduction.
13. The organism that supplies the genetic material during reproduction.
14. An organism that uses photosynthesis to produce its own energy source. All plants.
15. An educated statement that explains observations.
16. The resulting structure that is formed when one or more cells are grouped together to carry on the activities of life.
17. Two words - The process of the transfer of energy from the sun to producers, then consumers, then decomposers.
18. A group of similar organisms that live in the same area.
22. An organism that uses a producer or other consumers for its energy source. All animals are consumers.
23. The study of life.