Bio Flashcards
Cladogram of plant evolution
Charophytes, bryophytes, pteridophytes, gymnosperms, angiosperms
Lignin
Strengthens cell wall
Charophytes
Algae (first form of plant)
bryophytes
Mosses
pteridophytes
Ferns
gymnosperms
Conifers
angiosperms
Flowering plants
Nectar
Used by the plant to lure in pollinators
Gamete
Sex cells such as an egg or sperm
Tube nucleus
Creates a tube through the style to the ovary (24-48 hours)
Rhizomes
Stem below ground that can make baby plants
Example: fern and ginger
Runner
Stem with baby attached above ground
Cuttings
Cut off a leaf and put it in dirt and roots will grow
Grafting
Joining 2 different parts from 2 different plants to make one
Example: miniature rose bush
Tissue Culture
Each plant cell can create a whole new plant, cells can be placed in sterile nutrient agar and new plants will grow