Answer
Four of these features are: multicellular dependent embryos (new sporophytes are retained and nourished on the mother plant); walled spores made in sporangia, such as the pollen grain in more advanced land plants; multicellular gametangia, the structures which make the sex cells of land plants; apical meristems for elongation growth of shoot and root (when present).
Work Step by Step
There are five of these features discussed in Fig. 29.3— pick any four and summarize the text briefly.
