yung ttlo sa plant syste dulo

Cards (75)

  • What are the two main clades of Eudicots?
    Basal Eudicots and Core Eudicots
  • What are the main groups included in Core Eudicots?
    • Gunnerales
    • Dilleniales
    • Superrosids / Rosids
    • Superasterids / Asterids
  • What are the characteristics of Eudicots?
    Branching leaves, 2 cotyledons, trimerous flowers
  • What type of pollen do Eudicots have?
    Pollen with one pore
  • What is the term for the arrangement of Eudicot flowers?
    Trimerous flowers
  • What is the term for the fruit structure in Eudicots?
    Apocarpy
  • What are the characteristics of Monocots?
    • Herbaceous
    • Flower parts in 3s
    • Syncarpy
    • Parallel venation
    • Fibrous root system
    • 1 cotyledon
    • Monoaperturate pollen
    • Scattered vascular bundles
    • No true secondary growth
  • What is the root system type in Monocots?
    Fibrous root system
  • How many cotyledons do Eudicots have?
    Two cotyledons
  • What is the vascular bundle arrangement in Eudicots?
    Arranged in a ring
  • What type of pollen grain do Eudicots have?
    Tricolpate pollen grain
  • What are the key characteristics of Phylum Coniferophyta?
    • Evergreen resinous trees
    • Linear to needle-like leaves
    • Distinct male and female cones
    • Male cones release pollen
    • Female cones contain seeds
  • What type of leaves do Conifers have?
    Linear to needle-like leaves
  • What is the function of male cones in Conifers?
    Release pollen
  • What adaptations do Conifer leaves have for harsh environments?
    Thick cuticle and sunken stomata
  • What type of wood do Conifers produce?
    Softwood
  • What are the key traits of Phylum Gnetophyta?
    • Includes 3 genera: Gnetum, Ephedra, Welwitschia
    • Xerophytic leaves
    • Opposite leaf arrangement
    • Bridge between gymnosperms and angiosperms
  • What is the significance of Gnetophyta in plant evolution?
    Bridge between gymnosperms and angiosperms
  • What is the first group of plants to colonize bare land?
    Lichens and mosses
  • What are the similarities and differences between Bryophytes and Seedless Vascular Plants?
    Similarities:
    • Cuticle
    • Dominant generation = Sporophyte
    • Alternation of Generations
    • Stomata
    • Vascular Tissues

    Differences:
    • Dependent on water for reproduction
    • Increase in height, primary & secondary growth
    • Organs: Leaves, stems, and roots
  • What type of vascular tissues do Seedless Vascular Plants have?
    Xylem and Phloem
  • What is the difference between homosporous and heterosporous plants?
    Homosporous produces one spore type
  • What are the characteristics of Lycophytes?
    • Microphylls with a single vein
    • Grow as epiphytes
    • Dichotomously branching roots
    • Sporophylls bear sporangia in strobili
  • What are the characteristics of Monilophyta (Ferns)?
    • Megaphyll leaves
    • Fronds arise from horizontal stems
    • New fronds as fiddleheads
    • Sori on frond underside
    • Most are homosporous
  • What is the term for coiled young fronds in ferns?
    Fiddlehead
  • What type of vascular tissue do ferns have?
    Siphonostele
  • What are the characteristics of Equisetopsida (Horsetails)?
    • Separate vegetative and reproductive stems
    • Sporangiophores in strobili
    • Homosporous
    • Ribbed/hollow stems
    • Leaves in whorls
  • What are the characteristics of Psilotopsida (Whisk Ferns)?
    • Dichotomously branching stems
    • No true roots, only rhizomes
    • No true leaves, only enations
    • 3 fused sporangia
    • Homosporous
  • What are the characteristics of ferns in Marratiopsida and Polypodiopsida?
    • Have megaphylls
    • Fronds arise from horizontal stems
    • New fronds as fiddleheads
    • Sori on frond underside
    • Spores are wind-dispersed
  • What are some types of ferns?
    • Aquatic Ferns (Family Salviniaceae)
    • Clover Ferns (Family Marsileaceae)
    • Climbing Ferns (Family Lygodiaceae)
    • Umbrella Ferns (Order Gleicheniales)
    • Tree Ferns (Order Cyatheales)
  • Who prepared the document on Gymnosperms?
    Sir Arnel Celestino
  • What is the study of Gymnosperms called?
    Gymnosperms
  • What type of plants are characterized by ribbed/hollow stems with air canals?
    Trobili/cones
  • What is the genus of Whisk Ferns?
    Psilotum
  • What is a key characteristic of Psilotum stems?
    Dichotomously branching stems
  • What type of roots do Whisk Ferns have?
    No true roots, only rhizomes with rhizoids
  • What are enations in Whisk Ferns?
    Non-vascular leaf-like projections
  • How many sporangia are fused in Whisk Ferns?
    3 fused sporangia
  • What type of leaves do ferns have?
    Megaphylls
  • How do new fronds of ferns emerge?
    As fiddleheads