Name the following:
(i) The uppermost branches of the trees in a forest, forming a more or less continuous layer of foliage, appearing like a roof over the other plants in the forest.
(ii) The micro-organisms which convert the dead plants and animals to humus.
(iii) The dark coloured substance in soil formed by the decomposition of leaves and other plant material by soil microorganisms.
(iv) A sequence of organisms in a community, where each member is eaten by another member.
(iv) Food chain
You have rated this answer /10