Glossary NATS104 Workshop
Fall, 2000

biodiversity biological diversity; the diversity of species, genes, and/or ecosystems.

bipedal walking on two legs.

carrying capacity the number of a given species that an area can support without impairing its ability to continue supporting that population.

DNA deoxyribonucleic acid. Large molecules in cells that carry the genetic information in living organisms.

ecosystem a community of different species interacting with one another and with the chemical and physical factors making up their non-living environment.

ethics a system of moral principles.

fertilizer substance that adds organic or inorganic nutrients to soil and improves its ability to grow crops, trees, or other vegetation.

flux the rate of flow of particles, fluid, or energy.

gene coded units of information (segments of DNA molecules) about specific traits that are passed on from parents to offspring during reproduction. /p>

Ha hectare, equivalent to 10,000 m2 or 2.471 acres.

habitat place or type of place where an organism or a population of organisms lives.

hypothesis educated guess as to the outcome of an experiment.

kg kilogram, equivalent to 1000 grams

Mt metric tons

nutrient any atom, ion, or molecule an organism needs to live, grow, or reproduce.

overpopulation when long term carrying capacity is being degraded by its current occupants.

parameter a constant aspect of an environment that determines a specific part of that environment but not its general nature.

photosynthesis the process by which plants use sunlight to combine carbon dioxide and water to produce carbohydrates and oxygen.

phytoplankton small drifting plants, mostly algae, that live in aquatic systems.

population group of individual organisms of the same species living within a particular area.

primary productivity the rate at which plants photosynthesize

religion a specific fundamental set of beliefs and practices generally agreed upon by a number of persons or sects.

respiration process that occurs in the cells of living organisms in which sugars or carbohydrates combine with oxygen to produce carbon dioxide and water and energy.

trait a distinguishing characteristic or quality.

transgenic having a gene(s) from another organisms through the biotechnological transfer of DNA.

treatment an experimental manipulation of the immediate environment surrounding an organism.

yr year

zero population growth the state of equilibrium reached when birth and death rates are the same.