Advertisements
Advertisements
Question
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
Options
food web
ecological pyramid
ecosystem
food chain
Advertisements
Solution
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
RELATED QUESTIONS
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
Why are green plants called producers?
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer?
Plants → Deer → Lion
A food chain represents a unidirectional flow of X. What is X?
Define decomposers.
Write down a food chain with five links in it.
Which of the following represents a possible food chain found in a pond :
| Primary producers |
Primary consumers | Secondary consumers |
| (a) green algae | fish | mosquito larvae |
| (b) fish | green algae | mosquito larvae |
| (c) mosquito larvae | fish | green algae |
| (d) green algae | mosquito larvae | fish |
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name two zooplanktons.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
What does garbage consist of?
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.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
The food chain begins with the energy given by the ______.
In a food chain grasshopper gets energy by eating frog.
In a food chain, the third trophic level is always occupied by
