Differentiate between Excoscopic and endoscopic pattern of development in embryo ?
Embry development can be exoscopic or endoscopic. Each type of embryo development is restricted to specific plant groups. Excoscopic embryo development typically occurs in Bryophyta, Psilophyta and Sphenophyta. However, endoscopic embryo development is restricted to Cycadophyta, Coniferophyta and Anthophyta