They are responsible for most of the reds, yellows and oranges to be seen in animals (e.g. crustaceans, fish, birds and egg yolk), in plants (e.g. in all parts of the higher plants such as roots, leaves, petals, seeds, fruits, pollen), and in algae and fungi.
(They; are; responsible) (most of the reds, yellows and oranges; to be seen; L:in animals)
They most of the reds, yellows and oranges
are to be seen
responsible
L:in animals