|
Creado por pandabear818
hace más de 9 años
|
|
Changes from Ferns to Gymnosperms
Retained from Fern to Gymnosperm
Ferns have retained from bryophytes:
In gymnosperms:
1. Eggs are produced by a large cone. The female gamete is called ____. It is produced inside a ____.
2. Pollen is produced by a small cone. The male gamete is called a ___. It is produced in a ____.
After meiosis, megaspores are produced, only one of which survives to grow into a multicellular ____ (the other three degenerate in situ).
Angiosperm's 2 great advances:
Sporophyll
sorus (pl. sori)
megasporangiate strobilus
megasporophyll
megasporangium
megasporocyte
megaspore
megagametophyte
microsporangiate strobilus (pl. strobili)
microsporophyll
microsporangium
microsporocyte
microspores
pollen
microgametophyte
pollen tube
cotyledons
seed
integument
seed coat
monocotyledons
eudicotyledon
flower
inflorescence
sepal
calyx
petal
corolla
stamen
anther
filament
carpel
ovary
ovule
stigma
style
double fertilization
endosperm
fruit