Advertisements
Advertisements
प्रश्न
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
उत्तर
If all the lions are removed from the above food chain, the population of deer will increase greatly, as there will be no lion to consume them as food. Also, the density of grass will decrease as the high population of deer will lead to excessive grazing of grass.
APPEARS IN
संबंधित प्रश्न
"Energy flow in a food chain is unidirectional" Justify this statement.
Which of the following constitute a food-chain?
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
Give one example of a simple food chain.
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
______ obtained energy from the chemical breakdown of dead organisms.
