Genetics

3. - noun an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host; a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
5. - noun a system formed by the interaction of a community of organisms with their physical environment
7. - noun the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
10. - noun the relation between two different kinds of organisms when one receives benefits from the other without damaging it
11. - noun something that produces; someone who finds financing for and supervises the making and presentation of a show (play or film or program or similar work); someone who manufactures something
14. - noun the act of competing as for profit or a prize; a business relation in which two parties compete to gain customers; an occasion on which a winner is selected from among two or more contestants; the contestant you hope to defeat

1. - noun the relation between two different species of organisms that are interdependent; each gains benefits from the other
2. - noun a person who uses goods or services
4. - breaks down dead or dying waste matter into usable resources.
6. - noun the relation between two different species of organisms that are interdependent; each gains benefits from the other
8. - adj. of or relating to living organisms
9. - noun animal hunted or caught for food; a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence; verb profit from in an exploitatory manner; prey on or hunt for
11. - noun the act of preying by a predator who kills and eats the prey; an act of plundering and pillaging and marauding
12. - noun the branch of biology concerned with the relations between organisms and their environment; the environment as it relates to living organisms
13. - noun any animal that lives by preying on other animals; someone who attacks in search of booty