Ferns- Test 4 Flashcards
Ferns are part of phylum ____
Pteridophyte
There are over __ known species of fern
20,000
Mosses are vascularized or non-vascularized plants
Vascularized
Ferns have ___ cells
Blood
Ferns have true ___
Leaves
Ferns lack ___ or ___
Flowers or seed
Ferns display _____ in reproduction
Alternation of generation
Ferns live in variety of habitat such as
Moist, shady forest, acid wetlands ….
Vascular plants have a transportation system for ___, ____ and ___
Water, nutrients, and food
Vascular plants are now not ____ in water for ____
Dependant, circulation
Xylem
Phloem
Vocab : living , non living
Xylem - non living
Phloem- living
The xylem has a tube shaped cells that carry _____ and ___ come the roots to the _____
Water, minerals, rest of the plant
Phloem have elongated rubes that transport __and other ____ thru the plant
Sugar, organic nutrients
Waxy cuticles aid in ___
Reducing water loss
Xylem has a ___ in the cell wall that provide support
Lignin
Vasculairized plants have ___ cells that are thin walled and function as ___ cells
Parenchyma cells, storage cells
Economical roles of ferns
3
- food
- landscaping, florist industry
- useful in removing heavy metals from soil
Decomposed ferns are a component of _______
Coal formation
Ecological roles of ferns (2)
- holds and forms the soil
* prevent soil erosion
Gametophyte stage of fern life cycle is responsible for production of ___ (4)
Prothallus, rhizoids, archegonium, fern sporophyte
The prthallus is ____ shaped
Heart/kidney
The prothallus is ___lomg and ___ broad
1-10mm, 2-8mm broad
The prothallus prodcues___
Gametes
Prothallus are one cell ___
Thick
