Question

Foot and seta is absent in sporophytes of anthoceros

Answer 1

The air chambers and air pores are absent in Anthoceros. ..... Seta is represented by meristematic zone. .... In Anthoceros sporophyte is represented by foot, meristematic zone and ...


Plant setae. In botany, "seta" refers to the stalk supporting the capsuleof a moss or liverwort, and supplying it with nutrients. The setais part of the sporophyte and has a short foot embedded in the gametophyte on which it is parasitic.

Answer 2

Answer:

The hornwort genus Anthoceros belongs to the family Anthocerotaceae. The small to medium-sized, green thallus that is somewhat lobed along the borders distinguishes species of Anthoceros.

Explanation:

• Dark grey, dark brown, or black describe the spores. It differs from the closely related genus Phaeoceros in that it doesn't generate yellow spores.
• The thallus is devoid of air chambers, scales, and a distinct midrib. In the ventral area, it has smooth rhizoids that are unicellular.
• It has a peculiar dichotomous branching pattern and is irregularly lobed.
• The thallus is made up of thin, homogeneous parenchymatous cells that are compactly packed and have little to no tissue differentiation.
• Nostoc species live inside Anthoceros species in a symbiotic relationship where Nostoc gives its host nitrogen through cells called heterocysts, which can do photosynthesis.

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