Caption

Submerged macrophyte evolution.

• Precambrian: First plant life (phytoplankton shown here)
• Silurian: Algal evolution
• Appearance of the first land plants
• Diversification of land plants: developed higher plant characteristics such as woodiness and sexual reproduction.
• Cretaceous: marine angiosperms evolved, characterised by
  • mangroves and salt-marsh plants in intertidal zones
  • seagrasses as the dominant submerged macrophyte

Source

• Based on Plants in Action, Atwell, et al. (textbook) 1999. Figure 18.7. p182. W.C. Dennison.

Software

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Illustration credit: Peter Halasz. (User:Pengo)

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