All of the following are polysaccharides except Multiple Choice
prostaglandins in inflammation.
a cell's glycocalyx.
cellulose in certain cell walls.
agar used to make solid culture media.
glycogen in liver and muscle

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Talking listening and reacting non verbally are all part of communicating

What does natural resource management aim at ?