- Life Sciences
the non-living ground tissue with thick-walled cells that gives strength, support and protection to a plant. Cells occur as fibres and sclereids.
consists of the pectoral and pelvic girdles together with the arms and legs.
is the passing of traits to the offspring from its parents or ancestors. The study of heredity...
a molecule that accelerates (speeds up) a chemical reaction, by lowering its activation energy,...