(a) Decomposers- (iii) micro-organisms

Reason- Micro- organisms are known as decomposers because they decompose on the dead and decay matter.

(b) Canopy- (v) branches of tall trees

Reason- Branches of tall tree over the other tree is known as canopy.

(c) Porcupine- (iv) wild animal

Reason- Porcupine is a wild animal found in the forests

(d)Humus- (i) dead plants and animal tissue

Reason- Dead plants and animal tissue is decomposed by the micro-organism into a dark- coloured substance called as Humus.

(e) Forest- Habitats for wild life

Reason- Forest is a home for wild animals as well as trees