Advertisements
Advertisements
प्रश्न
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
उत्तर
Plants → Rats → Snakes → Hawks
APPEARS IN
संबंधित प्रश्न
In the following food chain, 20,000 J of energy was available to the plants. How much energy would be available to man in this chain?
Plants → Sheep → Man
Name one decomposer.
What are trophic level?
What is a food chain?
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
Write the percentage of energy transferred from autotrophs to the next level in a food chain.
Which common pesticide has accumulated in human body in considerable amounts?
Your mother always thought that fruit juices are very healthy for everyone. One day she read in the newspaper that some brands of fruit juices in the market have been found to contain certain level of pesticides in them. She got worried as pesticides are injurious to our health.
(a) How would you explain to your mother about fruit juices getting contaminated with pesticides?
(b) It is said that when these harmful pesticides enter our body as well as in the bodies of other organisms they get accumulated and beyond a limit cause harm and damage to our organs. Name the phenomenon and write about it.
In an ecosystem, herbivores represent ______.
The food chain begins with the energy given by the ______.