हिंदी

A Food Chain Occurring in the Sea Which Provides Food for Many People Can Be Written as : Phytoplankton → Zooplankton → X → Y Name the Organism Which Y Could Be. - Science

Advertisements
Advertisements

प्रश्न

A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y

Name the organism which Y could be.

Advertisements

उत्तर

Y could be a big fish.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Our Environment - Exercise 1 [पृष्ठ २३०]

APPEARS IN

लखमीर सिंग Biology (Science) [English] Class 10
अध्याय 5 Our Environment
Exercise 1 | Q 76.4 | पृष्ठ २३०

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

State with reason any two possible consequences of elimination of decomposers from the Earth.


List two biotic components of a biosphere.


List two important roles play in the environment by decomposers.


Which of the following constitute a food-chain?


At which trophic level a person is feeding when he is eating bread.


A student went to study a local pond. In one part of the pond she noticed tadpoles scraping at some pond weed. In another part she saw a water beetle holding a tadpole in its jaws.
(a) Construct a food chain for the pond.
(b) How many links are there in this chain?


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

Will the levels of biological magnification be different at different levels of the ecosystem?


What does garbage consist of?


Explain why, the flow of energy in the ecosystem is said to be unidirectional.


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?


Give one example of a food chain in an aquatic ecosystem?


Which of the following is an autotroph?


The sequence of who eats whom in an ecosystem is called as ______.


Animals that eat both plants and animals are called as Carnivores.


If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.


Study the picture given below showing three food chains (a), (b) and (c) and answer the following questions:

  1. Name the type of ecosystems that exist in food chains (b) and (c).
  2. The first trophic level in all food chains is producers. Why? What percentage of solar energy do these producers capture for their use?
  3. Why are the arrows shown in the diagram in one direction only and not vice versa? Justify.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×