A filamentous alga X is found in ponds, lakes and slow-moving streams. The filament of this alga simply breaks into two (or more) pieces on maturing and each piece then grows. to become a complete new alga.
(a) Name an alga which X is likely to be.
(b) What is the colour of X?
(c) What is the method of forming new algae by the breaking of parent alga known as ?
(d) An Amoeba also breaks up to form two. daughter Amoebae. What is the difference in the splitting Amoeba and splitting of this alga as a method of reproduction ?
(e) Name one marine animal which reproduces in the same way as alga X.
(a) Spirogyra (X)
(b) The colour of spirogyra (X) is green.
(c) Fragmentation is the method of forming new algae by the breaking of parent alga.
(d) Amoeba is a unicellular organism which reproduces by the asexual method called binary fission whereas alga is a multicellular organism which reproduces by the asexual method called fragmentation.
(e) Sea anemone