Q. Which green alga shows heterotrichous habit and may have given rise to terrestrial (land) habit?
A) $Chlamydomonas$
B) $Fritschiella$
C) $Vaucheria$
D) $Ulothrix$
Explanation
Heterotrichous habit having prostrate and erect system by a filamentous thallus is must for evolution of terrestrial plants. It is found in green algae like $Fritschiella,$ other examples are $Draparnaldiopsis\ and\ Stigeocolonium.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.