The lowest layer of plants in the equatorial forest is known as the _________.
Fill in the blank:
(a) The insects, butterflies, honeybees and birds help flowering plants in _______.
(b) A forest is a purifier of _______ and ________.
(c) Herbs form the ________ layer in the forest.
(d) The decaying leaves and animal droppings in a forest enrich the _______.
Fill in the blanks:
(a) The insects, butterflies, honeybees and birds help flowering plants in _______. (b) A forest is a purifier of _______and ______. (c) Herbs form the________ layer in the forest. (d) The decaying leaves and animal droppings in a forest enrich the ___________.