Biology

3. an animal anatomically and physiologically adapted to eating plant material
6. physical rather than biological
11. any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull
13. the process by which water vapor in the air is changed into liquid water
14. microscopic, single-celled photosynthetic organisms that live suspended in water.
15. relating to or resulting from living things
16. a biological community of interacting organisms and their physical environment.
17. an organism that eats other plants or animals for energy and nutrients.
19. an organism that creates its own food or energy.

1. a class of organisms that obtain their energy through the oxidation of inorganic molecules, such as iron and magnesium.
2. Living things that have to hunt, gather and eat their food
4. the total quantity or weight of organisms in a given area or volume.
5. process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
6. an organism that produces complex organic compounds
7. an animal that feeds on flesh
8. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
9. the exhalation of water vapor through the stomata.
10. the process of turning from liquid into vapor
12. animal or person that eats food of both plant and animal origin.
18. the capacity for doing work