Advertisements
Advertisements
प्रश्न
What would happen to the number of rabbits and grass plants if the number of foxes decreased?
Advertisements
उत्तर
If the number of foxes decreases, then there will be fewer foxes to consume rabbits as food, so the number of rabbits will increase, which will in turn lead to rabbits consuming more grass plants as food. Hence, grass plants will become sparser.
APPEARS IN
संबंधित प्रश्न
What is the role of decomposers in the ecosystem?
What is a trophic level?
Can the organisms of any trophic level be removed without causing any damage to the ecosystem? Will the impact of removing all the organisms in a trophic level be different for different trophic levels?
In a food chain, the initial organism is usually :
(a) photosynthetic
(b) herbivore
(c) saprophytic
(d) parasitic
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :
(a) insect
(b) snake
(c) frog
(d) grass
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
Why are there rarely more than five links (or five organisms) in a food chain?
What does garbage consist of?
Consider the following food chain
(i) Plants → Mice → Snakes → Hawks
(ii) Plants → Mice →Hawks
If energy available at the producer level in both the food chains is 100 J, in which case will hawks get more energy as food and by how much? Justify your answer.:
How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun?
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?
Bacteria and fungi are called decomposers.
We should reduce the use of the plastic bags, bottles etc. because ______.
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
In an ecosystem, herbivores represent ______.
______ are organisms that are able to produce their own organic food.
What is Autotrophs?
Which statement is correct with respect to the food chain?
