The sea water contains water beetles, tadpole, fish and weeds.(a) Write a food chain comprising all the given organisms.(b) Which organisms in the food chain are (i) herbivore, and (ii) carnivores?(c) Which organisms are (i) predators, and (ii) prey?(d) Which organisms can trap solar energy to make food?(e) Which organism is a secondary consumer?
(a) The food chain comprising all the given organisms are given below:
Weeds → Tadpole → Water beetle → Fish
(b) (i) The tadpole is a herbivore in the above food chain.
(ii) The water beetle and the fish are carnivores in the above food chain.
(c) (i) The water beetle and the fish are predators in the above food chain.
(ii) The tadpole and the water beetle are prey in the above food chain.
(d) Weeds can trap solar energy to make food.
(e) The water beetle is the secondary consumer in the given food chain.
Related Articles
- An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :(a) water beetles (b) tadpoles (c) weeds (d) fish
- A food chain consists of fish, larvae, phytoplankton, 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?(b) Which organism will have the maximum amount of pesticides accumulated through the food chain? What is this process known as?(c) Write the food chain comprising all the organisms mentioned above.(d) Which other organism you could write in place of bird in the above food chain?
- Which category of organisms forms the starting point of a food chain?
- There are four organisms A, B, C and D. The organism A eats only the flesh of other animals as food. The organism B can eat grains, fruits and vegetables as well as meat and fish. The organism C can make the food itself from simple inorganic substances present in the environment by utilising sunlight energy. On the other hand, organism D eats only plants and their products as food.(a) Which organism is (i) omnivore (ii) herbivore, and (iii) carnivore?(b) Which organism is an autotroph?(c) Which organism is/are heterotroph(s)?(d) Which organism can be a producer?(e) Which organism is/are consumer(s)?(f) Give one example each of organisms which could be like (i) A (ii) B (iii) C, and (iv) D
- A food chain occurring in the sea which provides food for many people can be written as :phytoplankton → zooplankton → X → Y(a) Name one phytoplankton.(b) Name two zooplanktons.(c) What could be X?(d) Name the organism which Y could be.(e) Which organism in the above food chain is a (i) primary consumer, and (ii) tertiary consumer?
- Which organisms belong to third and fourth trophic levels in the food chain comprising the following? Rats, Plants, Hawk, Snakes
- The surface of the water in a lake appears green due to a layer of tiny free-floating organisms X on its surface. The lake water also contains organisms like water beetles, fish, and tadpoles. The sun shines over the lake water and provides energy for the functioning of this lake ecosystem.(a) What could organism X be?(b) Write a food chain comprising all the four organisms mentioned.(c) What is the general name of the food chains like the one written above?(d) Name (i) secondary consumer (ii) producer (iii) tertiary consumer, and (iv) primary consumer, in the above food chain.(e) If the tertiary consumer gets 0.2 J of energy from the secondary consumer, then how much energy was radiated by the sun to the producer?
- What are the organisms which preapare their own food called ?
- A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.(a) Write a food chain comprising all the four organisms mentioned above.(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.(c) Name the link which is a predator as well as a prey.(d) Name (i) second trophic level, and (ii) third trophic level.(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
- Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the :(a) ecosystem (b) food web (c) ecological pyramid b> (d) food chain
- Which of the following group of organisms are not constituents of a food chain?grass, lion, rabbit, wolfplankton, man, fish, grasshopperwolf, grass, snake, tigerfrog, snake, eagle, grass, grasshopper(a) (i) and (iii)(b) (iii) and (iv)(c) (ii) and (iii)(d) (i) and (iv)
- The organisms A, B and C can obtain their food in three different ways. Organism A derives its food from the body of another living organism which is called its D, without killing it. The organism B takes in the solid food by the process of ingestion, digests a part of this food and throws out undigested food in the process called E. The organism C obtains its food from dead and decaying plants.(a) What is the mode of nutrition of (i) organism A (ii) organism B, and (iii) organism C?(b) What is the organism like D called?(c) Name the process E.(d) Give one example each of organisms like (i) A (ii) B, and (iii) C.(e) What is the general name of three modes of nutrition exhibited by organisms A, B and C?
- A, B and C are three living organisms. The organism A is a unicellular fungus which can live without air. It is used in the commercial production of a organic compound P from molasses. The organism B is a unicellular animal which lives in water and feeds and moves by using pseudopodia. It breathes through an organelle Q. The organism C is a tiny animal which acts as a carrier of malarial parasite. It breathes and respires through a kind of tiny holes R and air-tubes S in its body.(a) What are organisms (i) A (ii) B, and (iii) C ? (b) Name (i) P (ii) Q (iii) R, and (iv) S.(c) Which organism/ organisms undergo aerobic respiration ?(d) Which organism/ organisms undergo anaerobic respiration ?
- Why are there rarely more than five links (or five organisms) in a food chain?
- 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?
Kickstart Your Career
Get certified by completing the course
Get Started
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies