Biology terms

2. the unfolding or breaking up of a protein, modifying its standard three-dimensional structure
4. a molecule that is produced by a living organism.
7. an animal which feeds on dead organic material, especially plant detritus.
8. an organism deriving its nutritional requirements from complex organic substances.
9. the directional growth or movement of a plant or part of a plant in response to light
10. to make
11. a preparation that stimulates your body's immune system to recognize and defend against a specific disease or pathogen
14. end substances after a biological process has occurred
17. the body's ability to maintain a stable internal environment despite external changes
18. medication used to treat bacterial infections
20. The substances which participate in a chemical reaction

1. the variety of life in the world
3. is a molecule that can be bonded to other identical molecules to form a polymer.
5. any aspect of the environment that can influence living organisms
6. division of a cell nucleus during mitosis.
12. the differences in characteristics between individuals within the same species
13. the evolutionary process by which new species arise from a pre-existing species
15. the action or reaction of a living organism or its parts to a stimulus or change in its environment
16. a change to a gene's DNA sequence to produce something different
19. chemical process in which a substance reacts rapidly with oxygen and gives off heat