During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community (c) the gradual and predictable change in species ...
Most animals that live in deep oceanic waters are (a) tertiary consumers (b) detritivores (c) primary consumers (d) secondary consumers.
The term ecosystem was coined by (a) E. Haeckel (b) E.Warming (c) E.P. Odum (d) A. G. Tansley.
Which ecosystem has the maximum biomass? (a) Grassland ecosystem (b) Pond ecosystem (c) Lake ecosystem (d) Forest ecosystem