During the process of ecological succession the changes that take place in communities are:

Their traditional pasturelands were taken from them in the name of declaring certain areas as reserve forests. Second, they were forced out of many pastures in the name of expansion...

Physical Changes: On heating, candle wax gets melted is a physical change. Since it again turns into solid wax on cooling. Chemical Changes: The wax near to flame burns and gives...

Their traditional pasturelands were taken from them in the name of declaring certain areas as reserve forests. Second, they were forced out of many pastures in the name of expansion...

d. phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, sedges, meadow and trees.

Most of the processes are carried out in an open system i.e, at constant pressure.

(c) The trees cannot replace the grasses as a part of an ecological succession because of water limits and fire.

(b) In organisms called lichens, a chlorophy llcontaining partner, which is an alga, and a fungus live together fungus provides shelter, water and minerals to the alga and, in return,...

(c) 1, 3 and 3

(b) When succession begins on an area which has not been previously being occupied by a community e.g. a new exposed rock area, sand dunes, new islands, deltas, shore or...

(c) 1, 3 and 3