Animal Unit

6. A group of similar organisms that can breed and produce fertile offspring.
9. an animal whose body temperature varies with the temperature of its surroundings or environment. (cold blooded)
10. symmetry the property of being divisible into symmetrical halves on either side.
12. A single celled organism
15. the action or process of classifying something according to shared qualities or characteristics.
17. The process of change that occurs during an organism's life to produce a more complex organism.
19. A reproductive process that involves only one parent and produces offspring that are identical to the parent.
20. An organism that makes its own food
22. an organism that is made up of many cells
24. The mistaken idea that living things arise from nonliving sources.
26. Classification system in which each species is assigned a two-part scientific name

1. A classification grouping that consists of a number of similar, closely related species
2. A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
3. Basic unit of life
4. An animal with no lines of symmetry
5. the quality of being made up of exactly similar parts facing each other or around an axis.
7. the chemical processes that occur within a living organism in order to maintain life.
8. a signal to which an organism responds
11. a reaction to a stimulus
13. The scientific study of how living things are classified
14. Any living thing
16. tubelike structure above the notochord that in most chordates develops into the brain and spinal cord
18. An organism that cannot make its own food.
21. A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
23. heated from within the body, regulation of your own body temperature internally. (warm blooded)
25. A flexible rod that supports a chordate's back