Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
---|---|
dead space |
Glossaries - Biology glossary
area in the lung that lacks proper ventilation or perfusion |
dead space |
Glossaries - Biology glossary
area in the lung that lacks proper ventilation or perfusion |
dead zone |
Glossaries - Biology glossary
area within an ecosystem in lakes and near the mouths of rivers where large areas of ecosystems are depleted of their normal flora and fauna; these zones can be caused by eutrophication, oil spills, dumping of toxic chemicals, and other human activities |
death rate (D) |
Glossaries - Biology glossary
number of deaths within a population at a specific point in time |
decomposer |
Glossaries - Biology glossary
organism that carries out the decomposition of dead organisms |
deductive reasoning |
Glossaries - Biology glossary
form of logical thinking that uses a general inclusive statement to forecast specific results |
degeneracy |
Glossaries - Biology glossary
(of the genetic code) describes that a given amino acid can be encoded by more than one nucleotide triplet; the code is degenerate, but not ambiguous |
dehydration synthesis |
Glossaries - Biology glossary
Synonyms -
condensation |
demographic-based population model |
Glossaries - Biology glossary
|
demography |
Glossaries - Biology glossary
statistical study of changes in populations over time |
denaturation |
Glossaries - Biology glossary
loss of shape in a protein as a result of changes in temperature, pH, or exposure to chemicals. |
denature |
Glossaries - Biology glossary
process that changes a subtance's natural properties |
dendrite |
Glossaries - Biology glossary
|
dendritic cell |
Glossaries - Biology glossary
immune cell that processes antigen material and presents it on the surface of other cells to induce an immune response |
denitrification |
Glossaries - Biology glossary
transformation of nitrate from soil to gaseous nitrogen compounds such as N2O, NO, and N2 |