Advertisements
Advertisements
Question
Construct a long food chain.
Solution
Phytoplankton (algae) →Zooplankton (protozoa)→Small fish→ Big fish→Man.
APPEARS IN
RELATED QUESTIONS
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
Which category of organisms forms the starting point of a food chain?
Give two differences between food chain and food web.
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
Which of the following are decomposers of dead organisms?
| Bacteria | Fungi | Viruses |
| (a) no | yes | yes |
| (b) yes | no | yes |
| (c) yes | yes | no |
| (d) yes | yes | yes |
The sea water contains water beetles, tadpole, fish and weeds.
Write a food chain comprising all the given organisms.
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
Name and state the law given by Lindeman which tells us how much energy entering a particular trophic level of organisms is available for trasnsfer to the next higher trophic level.
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.
Which other organism you could write in place of bird in the above food chain?
If 100 J energy is available at the producer level in a food chain then the energy available to the secondary consumer will be ______.
