Activity 15 Science & Global Issues/Biology
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13 terms
Terms | Definitions |
|---|---|
 biodiversity | The assortment of species on earth; within and between ecosystems; and the variation in the genetic compostion of a species |
| ecosystem | A community of various organisms interacting with each other within a particular physical environment |
| endemic | In terms of species, restricted to only one region or area |
| evidence | Information that refutes or supports a claim or hypothesis; information that leads to the develpment of a claim or hypothesis |
| evolution | A process in which something changes gradually or by intervals over time. In biology, changes in the genetic composition of a population that eventually give rise to other diverse life forms. |
| evolutionary tree | A branched diagram for classifying taxa that represents a hypothesis about the history of descent of groups of taxa |
| Indicator | An observation or calculation that shows the presence or state of a condition or trend |
| lineage | A series of populations of a single species or several species descended from a common ancestor |
| phylogenetic diversity | A measure of biodiversity using the pattern of the relationships of lineages to one another over time. |
| sustainability | The ability to meet a community's present needs without compromising the ability of future generations to meet their own needs. |
| taxa | Level of classification, such as genus or species |
| taxon | The plural of taxa, it is a group of (one or more) organisms, which a taxonomist adjudges to be a unit. |
| trade-off | An exchange of one thing for another; giving up something that is a benefit or advantage, in exchange for some other benefit or advantage. It usually involves balancing benefits and risks. |
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