Advertisements
Advertisements
प्रश्न
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
पर्याय
food web
ecological pyramid
ecosystem
food chain
Advertisements
उत्तर
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the food web.
APPEARS IN
संबंधित प्रश्न
"Energy flow in a food chain is unidirectional" Justify this statement.
We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain.
Which category of organisms forms the starting point of a food chain?
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
A food chain represents a unidirectional flow of X. What is X?
Define decomposers.
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
Draw the food chain with four trophic levels.
Give two differences between food chain and food web.
What is a food chain?
The decomposers in an ecosystem ______.
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
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.
Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and then and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh.
(a) write a food chain which provides food to lion in this case.
(b) Which animal (other than deer) the lion could look for food if he did not get the hunter as prey?
(c) Which other animal in the forest could have been in place of lion?
(d) How does the above food chain differ form the food chain such as : plants → goat → man?
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
What is meant by bioconcentration of pesticides
If 100 J energy is available at the producer level in a food chain then the energy available to the secondary consumer will be ______.
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
Which of the following is a logical sequence of food chain?
