autolysis
20
autolysis the self-dissolution which tissues undergo after death of their cells,
due to the action of their own enzymes.
autotrophs organisms able to synthesize organic matter from carbon dioxide
with sunlight as energy source. ~metabolic diversity.
auxotrophy the need for a special growth factor. Especially in the bioassay technique, auxotrophic microorganisms are used to measure the concentration
of the compound the organisms need.
avicularia highly specialized individuals in colonies of Bryozoa which resemble a
bird's head. They prevent larvae and other small animals from settling upon,
and interfering with the feeding activity of, the colony.
axenic pure, uncontaminated, ~pure culture.