Advertisements
Advertisements
प्रश्न
Write down a food chain in the sea.
उत्तर
Algae →Protozoa →Small fish → Large fish
APPEARS IN
संबंधित प्रश्न
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer?
Plants → Deer → Lion
The following statement is true or false :
In biology, human beings are called producers.
At which trophic level a person is feeding when he is eating eggs.
In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name the organism which Y could be.
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
Explain why, a food chain usually cannot have more than three or four steps.
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.
We should reduce the use of the plastic bags, bottles etc. because ______.
