Tracheophytes

Question 1

what is the advantage of tracheophytes?

Answer 1

sue to pluming, forests can afford secondary growth, and to grow more inland

Question 2

xylem vs phloem

Answer 2

xylem } transports water and dissolved nutrients

phloem } transports things that deal with photosynthesis

Question 3

tracheo synapomorphies

Answer 3

sporophyte dominant
still alternation of generations
sporophyte and gametophyte live independently

Question 4

Early tracheophytes

Answer 4

rhynophyte} Devonian period and doesn’t have roots
-> first diconomsly branching (single into two)
zostrophyllosida } first case of overtoping (one branch getting stronger)
trimerophyta } those other things, sporangia on lateral branches

Question 5

types of leaves

Answer 5

microphylls } single vein of a leaf (not common)

Megaphylls } more complex vascular, higher SA for light, common leaf

Question 6

Secondary growth

Answer 6

involves the cambium of the steam to get thicker and woodyer

Question 7

morphology

Answer 7

Sporangium on the plant is like flower or cone

apical meristem helps grow the stem up