1. Lacking elasticity; unyielding or unadaptable. See Synonyms at stiff. 2. Economics Of, relating to, or being a good for which changes in price have little effect on the quantity demanded or supplied: the inelastic demand for cigarettes.
The classification of algae is complex and somewhat controversial, especially concerning. the blue-green algae (Cyanobacteria), which are sometimes known as blue-green. bacteria or Cyanophyta and sometimes included in the Chlorophyta. These topics are. not covered in detail this document.
The green algae are often classified in the Kingdom Plantae, based on two characteristics shared with higher plants: 1) green algae use chlorophyll a and b in photosynthesis; 2) the chloroplasts of green algae are enclosed in a double membrane.reen algae can be either unicellular or multicellular. They live mostly in fresh water, but some can live on land in moist soils. A few green algae are found in marine environments. These organisms often live symbiotically with aquatic and marine animals.