Advertisements
Advertisements
प्रश्न
Name one decomposer.
उत्तर
Bacteria are decomposers.
APPEARS IN
संबंधित प्रश्न
Which of the following constitute a food-chain?
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
Write down a food chain in the sea.
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
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?
"Energy flow in food chains is always unidirectional". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.