Advertisements
Advertisements
प्रश्न
Give two examples of artificial or man made ecosystems. List the salient features by which they differ from natural ecosystems.
उत्तर
Crop fields and aquarium considered man-made ecosystems. In artificial ecosystems, the biotic and abiotic components of ecosytems are maintained artificially by regular feeding and clearing of aquarium and regular irrigation and sowing of seeds in the crop field ecosystem. A natural ecosystem self-sustains biotic and abiotic components of an ecosystem.
APPEARS IN
संबंधित प्रश्न
What is the percentage of photosynthetically active radiation (PAR), in the incident solar radiation?
Define Diffusion
Correct and rewrite the following statement and justify your correction.
Plants in an ecosystem are called primary consumers.
What is an ecosystem ? Name its two components .
Food chain begins with
With the help of a diagram explain how wind energy is converted into electric energy.
What do you understand by the term hydroelectric power?
Which one of the following types of organic occupy more them one trophic level in a pond ecosystem?
Name an omnivore which occurs in both grazing food chain and the decomposer food chain.
Complete the given chart:
Trophic levels | Type of organisms | Status | Example |
______ | ______ | Secondary consumer | ______ |
Second trophic level | Herbivore, Heterotrophs | _____ | ______ |
______ | ______ | ______ | Phytoplankton, grass, trees |