BIOLOGY [2 Mark Question Answer]

The trees in coniferous forests are found in single strands with no undergrowth. Plants predominantly found here include firs, pines, spruces and hemlock while the ground is covered with mosses, grasses, sedges and herbs that are adapted to cold.

Two features of forests are:

1. It includes a complex assemblage of different kinds of biotic and abiotic factors.
2. The temperature and rainfall conditions of a place determine the nature and characteristics of forests.

Man made ecosystem is formed by major human modification or alteration in the natural environment. Examples of man-made ecosystems are aquarium, park, grassland, garden etc.

Ecosystems are units consisting of living things and their specific habitats in the biosphere where living things interact with each other and their environment.

Environment is the sum of all external conditions and influences that affect organisms. The environment may be divided into biotic i.e. living and abiotic i.e. non-living components.