Bot Lec (Quiz 2) Flashcards
What is saprophytic?
obtaining Nourishments from the dead (decay)
Fungi is?
Saprophytic
Ancestor of plants
Charophytes
Algae has?
Chlorophyll
Chlorophlasts resembles charophytes because-
Its DNA and rRNA are similar to plants.
What are the general characteristics?
- Multi-cellular eukaryotes are photosynthetic autotrophs.
- Contains chloroplasts, chlorophyll A and B
- Cellwalls contains cellulose.
- Food reserve is starch stored in plastids.
- Aerial parts w/ waxy cuticle to avoid desiccation.
- has stomata for gas exchange.
- repro. adaptations necessary as plants move from aquatic to terrestrial.
Protective jacket of gametes.
Gametangia
Plants are?
hydrostatic systems. defends themselves without moving.
Essential characteristics?
- photosynthetic
- multi-cellular.
- growth is indeterminate and adapted to gather diffuse resources.
- shoots consist of simple repeated units exhibiting serial homology.
Causes primary growth, leaves, flowers, occurs shoot roots
Apical Meristem
Causes secondary growth, barks on trees, cambium
Lateral Meristem
tissue layer found between xylem and phloem
Cambium
Example of non-vascular
Liverworts, Hornworts, Mosses
Vascular?
- Non-seed bearing
- seed-bearing
Seed-bearing?
- Gymnosperms
- Angiosperms
Angiosperms?
- Monocot
- Dicot
In damp moist areas
Non-vascular
Moss? 1-10 cm
Bryophytes
Liverworts? lobes 2-20 cm
Hepatophyta
Hornworts?
Anthocerophyta
transports water and soluble minerals
Xylem
Translocates sugars to storage organs like roots, tubers or bulbs
Phloem
Leaves with a single unbranded vein
Microphylls
Sphenophyta
Horsetails : equisetum genus ; species