Pteridophyta (ferns) |Characteristic features with examples |class 9th
Автор: Asterisk Classes
Загружено: 2023-08-14
Просмотров: 457
Описание:
Follow our telegram channel - https://t.me/asteriskclasses
Pteridophyta is a fascinating group of plants that falls between #Bryophyta (mosses) and #Gymnosperms (cone-bearing plants) in terms of complexity.
These plants are known as "vascular #cryptogams" because they have vascular tissues for conducting water and nutrients.
#Pteridophytes are a crucial part of the #plant #kingdom, and understanding their characteristics can provide valuable insights into plant evolution.
Features of Pteridophyta:
#Habitat:
Pteridophytes are found in various habitats, such as moist and shady areas, where they thrive due to their dependence on water for #reproduction.
Vascular Tissues:
Pteridophytes possess vascular tissues (#xylem and #phloem) for efficient water and nutrient transport.
True Leaves:
Unlike the previous divisions, Pteridophyta has true leaves, called #fronds, that are often divided into leaflets.
Reproduction:
Pteridophytes reproduce using spores. They have specialized structures called #sporangia that produce spores.
Lack of Seeds:
These plants do not produce seeds; instead, they rely on #spores for reproduction.
Examples of Pteridophyta:
Ferns:
Ferns are the most well-known examples of Pteridophyta. They have distinctive fronds and reproduce via spores. Examples include #Nephrolepis (Boston fern) and #Adiantum (maidenhair fern).
#Horsetails:
Horsetails are another group of Pteridophytes. They have jointed stems and are commonly found in damp areas. #Equisetum is a common horsetail genus.
#Club Mosses:
Club mosses are small plants with scale-like leaves. They were much larger in ancient times and are considered living fossils. #Lycopodium is a genus of club mosses
#AsteriskClasses
Thanks for Watching.
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке: