List the main features of the external structure of ferns.
| March 5, 2021 | education
Let’s look at an example (male shieldworm).
The fern externally is a bunch of leaves – fronds (flat branches), stem, sporangia, young shoots, rhizomes, roots. His leaves are simple twice – three times, pinnately dissected. The mature fern plant is a sporophyte. Also in the lower side of Vaya, soruses appear over time – a collection of sporangia.
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