Question Detail
Question
Marchantia has a flattened, dichotomously-branching thallus attached by unicellular _______ on its ventral surface, with air pores leading to _______ on the dorsal surface.
Correct Answer
Option B is the correct answer.
Detailed Explanation
Marchantia has a flattened, dichotomously-branching thallus attached by unicellular rhizoids on its ventral surface, with air pores leading to air chambers on the dorsal surface.
Hint
Rhizoids anchor the thallus; air chambers allow gas exchange.