(a) True.
(b) False.
Deforestation destroys forests. Afforestation maintains forest.
(c) False.
Plants, the producers in the food chain, are autotrophs.
(d) False.
The ultimate source of energy for all living things is sun.
(e) True.
(f) False.
Decomposers cause decomposition of dead animals into humus, which contain nutrients for plants.
(g) False.
Sheep are herbivores because they eat grass and they in turn are eaten by men.
(h) True.