Name the animal that can change its shape as it moves in water.
Thus, Squids and octopus are the animal that can change its shape as it moves in water.
The animal A which is classified as an amphibian lays eggs in pond water. The hatching of its eggs produces a tailed-form B which looks very different from the animal A. The form B then undergoes a change C and gets converted into animal A.
(a) Name (i) animal A, and (ii) form B.
(b) What is the change C knows as ?
(c) Name the breathing organs of A.
(d) What are the breathing organs of B ?
There are four tiny organisms A, B, C and D. organism A is a parasitic protozoan that causes a disease known as kala-azar. The organism B is a microscopic single-celled animal that causes malaria disease in human beings. The organism C is a unicellular animal that can change its body shape according to need, it has no fixed shape. The organism D is also a unicellular animal that is slipper-shaped having a large number of tiny hair all around its body. (a) Name the organisms A, B, C and D (b) Name one characteristic body feature of organism A. (c) Name the insect which carries organism B and transmits it from one person to another. (d) What name is given to the asexual method of reproduction of (i) organism A, and (ii) organism B? (e) Where do organisms C and D live?
Force is defined as a ___ or ____ that can cause an object to move, remain in place or change its shape.