First slide

Pteridophytes

Question

All are characteristics of pteridophytes, except:

Easy

A

It include horsetail and ferns
B

Main plant body is a sporophyte
C

The sporophytes bear sporangia that are subtended by leaf-like appendages
D

Reproduce asexually by gemmae

Solution

Asexual reproduction in liverworts takes place by fragmentation of thalli, or by the formation of specialised structures called gemmae. Gemmae are green, multicellular, asexual buds, which develop in small receptacles called gemma cups located on the thalli. The gemmae become detached from the parent body and germinate to form new individuals. Such gemmae are not seen in Pteridophytes.

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