plant evolution
what are 2 out of 4 challenges of terrestriallife?
maintain water
obtaining resources
what are the 2 main groups of seedless plants?
Pteridophyta (Monilophyte)
Lycophyta
Give the main types of roots
Adventitious roots, Tap root, Fibrous root,
what is the direction of the veins on a monocot leaf
one direction, parallel
what is protected from desiccation and damage?
Gymnosperms & Angiosperms
what are the 4 challenges of Terrestrial life?
maintain water
obtaining resources
support
reproduction & dispersal of offspring
Give an example of a Lycophyta
Club mosses
What are the roots main functions?
Absorption
Anchoring
Storage
Vegetative reproduction & competition
what is the direction of a veins on a dicot leaf
web like in multiple directions
The term naked seed correlates to ?
Gymnosperm
what are the 4 main moisture balances?
•Waxy cuticle
•Stomata and guard cells
•Timing
•Different shapes of structures
Give examples of Pteridophyta (Monilophyte)
True Ferns, Whisk ferns, Horse tails
Give examples of tap roots
radish, carrot, beetroot, dandelion, trees
what are the 4 types of transpiration
Evaporation, Cohesion, Adhesion, absorption
what phylum do Gymnosperms fall under?
Phylum Coniferophyta
define plants ?
•Are autotrophic multicellular organisms
Give qualitys of Pterophyta (Monilophyte)–True Ferns
•Vascular tissue, no seeds
•Sporophyte dominant
•Have fronds with sori on underside
•Each sorus has multiple sporangia, which produce spores
where do adventitious roots form
are formed from stem
what does xylem do in a plant?
is a structural and transport tissue of water and water-soluable nutrients
Angiosperms are what type of seed?
Covered seeds
what are main components that make up plants ?
•Have cell walls made of cellulose
•Have an alternation of gametophyte and sporophyte generations with distinct characteristics
•Are descended from Charophytes.
Define Prothallus
spores of Pteridophyta (fern), Heart-shaped gametophyte
which root is not a true root
Adventitious roots
what is a fruit ?
Part of a flowering plant derived from specific tissues of the flower, one or more ovaries, and in some cases accessory tissues
How many known species are known to angiosperms?
300,000 known species