Mention the characteristics of food chain
Answers
Answer:
Explanation:
CHARACTERISTICS OF FOOD CHAIN:
1. PRODUCERS BASED:
All sustainable food chain is character based.
2. ENERGY:
Producers obtain energy from sun. All other (consumers) obtain energy from food originally built up producers. There is unidirectional flow of energy.
3. BIOGENETIC NUTRITION:
Inorganic nutrients must keep on circulating with the help of decomposers. Otherwise,food chains cannot be sustained.
4. STRAIGHT:
Unless linked with another ,food chain run straights.
5.SIZE:
Food chain are generally short with 3-5tropic level.
6. POPULATION:
Size of population decreases with the rise in tropic level. Top carnivores are always very few.
7. OPERATION AT DIFFERENT TROPHIC LEVEL :
All organism can operate at more than one trophic level, e.g., snakes feeds on herbivorous rats as well as carnivorous frog....
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