- Life Sciences
pigments that occur in the brightly coloured, yellow, orange or red parts of the plant, such as leaves, flowers and fruit.
an organic compound that always contains the elements carbon, hydrogen, oxygen and nitrogen and...
extremely small infectious particles that can only reproduce inside a host cell.
a state in which the body temperature has dropped to dangerously low levels.
a fine thread-like structure. In plants: the stalk of the male sexual organ.