Chapter 23: Angiosperms Flashcards
(9 cards)
1
Q
angiosperm
A
“vessel” “seed”
2
Q
carpel
A
an ovule-bearing unit that is a part of a pisti
3
Q
Phylum Magnoliophyta
A
- all angiosperms
- two large classes: Magnoliopsida and Liliopsida
4
Q
angiosperms: heterosporous
A
produce two kinds of spores (like gymnosperms)
5
Q
megasporocyte
A
a diploid cell that produces megaspores upon undergoing meiosis
6
Q
integument
A
the outermost layer of an ovule; usually develops into a seed coat; a gymnosperm ovule usually has a single integument, and an angiosperm ovule usually has two integuments
7
Q
seed coat
A
the outer boundary layer of a seed; it is developed from the integument(s)
8
Q
micropyle
A
a pore or opening in the integuments of an ovule through which a pollen tube gains access to an embryo sac or archegonium of a seed plant
9
Q
A
