Question

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 (ii) 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

Answer 1

(a) (i) Organism B refers to an omnivore, (ii) organism D refers to a herbivore and (iii) organism A refers to a carnivore.

(b) Organism C is an autotroph.

(c) The organisms A, B and D are heterotrophs as they obtain food from other organisms and cannot synthesise their own food.

(d) Organism C can be a producer as it is an autotroph.

(e) The organisms A, B and D are consumers as they all are heterotrophs.

(f) The examples of organisms A, B, C and D are lion, crow, green plants (like mango) and cow, respectively.