Ecosystem indicates available solar energy and the efficiency of an ecosystem to trap the same. It gives information about the available essential minerals and their recycling periods. It provides knowledge about the web of interactions and inter-relationship among the various population as well as between the population and the abiotic environment.
1. Ecosystem is smallest unit of
a. Ionosphere
b. Lithosphere
c. Biosphere
d. Mesosphere
2. Energy _____ in an Ecosystem.
a. is released
b. is absorbed
c. flows
d. None of the above
3. The set of ecosystems is called a
a. Biome
b. Climate
c. Subsystem
d. Structure
4. The smallest artificial ecosystems that have been known to sustain life over a long period of time are
a. Folsom bottles
b. Folsom pond
c. Folsom stream
d. None of the above
5. Ecosystems rely on the following major sources of energy
a. Sun
b. Chemicals fuels
c. Nuclear fuels
d. All of these
