A | B |
gamete | a reproductive cell (eg. an egg or sperm) |
meiosis | the process of duplication and division of genetic material which leads to a new gamete |
chromosome | strands of DNA found in cells |
artificial selection | the technique of breeding desirable traits of plants or animals together to form a new plant or animal which will display these traits |
genetic engineering | artificially placing genes from one organism into another organism |
biological diversity | the number and variety of organisms in an area |
ecosystem | all the interacting parts of a biological community and its environment |
variation | differences in characteristics of organisms due to genetic and environmental factors. |
discrete variation | inherited traits that have a limited number of variations |
continuous variation | traits that show a range of variations and possibilities |
symbiosis | organisms of different species who live together in a long-lasting relationship |
species | a group of organisms which share similar genetic and physical characteristics and are capable of reproduction |
pesticide | a chemical used to control pests |
environment | the area or condition in which an organism lives |
trait | a characteristic |
heritable trait | a genetic characteristic that can be passed from parent to offspring |
non-heritable trait | a characteristic that cannot be passed from parent to offspring |
niche | the characteristic activity of an organism in an ecosystem |
adaptation | the modification of an organism or its parts that makes it easier for it to live in its environment |
species at risk | species that are threatened, endangered and extirpated |
target organism | the organism against which a treatment is directed |
non-target organism | An organism which is affected by an interaction (for example, a pesticide application) for which it was not the intended recipient |