An ecosystem consists of two components that are -
Important Questions on Ecosystem
The energy which is present in the biomass of plant is known as ________.
The rate of storage of organic matter which is NOT used by the consumer is ______.
Match the trophic levels with their correct species examples in grassland ecosystem.
| (a) | Fourth trophic level | (i) | Crow |
| (b) | Second trophic level | (ii) | Vulture |
| (c) | First trophic level | (iii) | Rabbit |
| (d) | Third trophic level | (iv) | Grass |
Select the correct option.
I) In a thermally stratified lake, in winter, the upper layer is known as epilimnion.
II) Animals in a lake that are capable of swimming constitute neuston.
III) The natural interconnections of food chain forms a network called food web.
IV) Energy flow in an ecosystem is unidirectional.
Choose the correct statements.
A) The total annul accounts of wet organic matter of the forest can be estimated with the annual net productivity amount of standing forest.
B) Ecosystems also exert direct physical influence that help to moderate regional and local weather.
C) Decline in pollinator activity could mean rising cost of pollination dependent fruits and vegetables.
D) Constanza and his colleagues have tried to put price tag on nature's life support services.
