Advertisements
Advertisements
Question
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
Advertisements
Solution
This food chain differs from an usual one, as humans, here, consume honey made by bees, whereas, usually, the food chain resembles Plants→ Goats→ Humans, in which humans consume the meat of goats directly.
APPEARS IN
RELATED QUESTIONS
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
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
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
Name one decomposer.
What is a trophic level?
At which trophic level a person is feeding when he is eating roasted chicken.
At which trophic level a person is feeding when he is eating fish.
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
What is a 'food web'? Show its formation.
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and then and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh.
(a) write a food chain which provides food to lion in this case.
(b) Which animal (other than deer) the lion could look for food if he did not get the hunter as prey?
(c) Which other animal in the forest could have been in place of lion?
(d) How does the above food chain differ form the food chain such as : plants → goat → man?
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
Will the levels of biological magnification be different at different levels of the ecosystem?
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
The food chain begins with the energy given by the ______.
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
In the following food chain, vertical arrows indicate the energy lost to the environment and horizontal arrows indicate energy transferred to the next trophic level. Which one of the three vertical arrows (A, C and E) and which one of the two horizontal arrows (B and D) will represent more energy transfer? Give reason for your answer.
A food chain in a forest ecosystem
