EVOLUTIONARY SPECIALIzATION OF MEMBERS OF THE NE LINE Pandor

EVOLUTIONARY SPECIALIzATION OF MEMBERS OF THE NE LINE Pandorina Gonium Chlamydomonas Characteristic Number of cells Colony size Structural and functional specializations of cells Reproductive specialization (isogamy versus oogamy) Eudorina

Solution

Charecteristic Clamydomonas Gonium Pandorina Eudorina Volvox Number of cells 1 cell 4 -32 cells 16 - 32 cells 32 -128 cells >1000 cells Colony size single small colony size small colony size Medium colony size Large colony size Structural and functional specialization of cells Contains 2 flagella for locomotion Cells are flat cells are round, with defined anterior and posterior ends Multiple cell types Presence of Stigma, flagella and chloroplast Reproductive specialization ( isogamy v/s oogamy) Isogamy Isogamy Isogamy Oogamy Oogamy