Lab exam gymnosperms Flashcards
1
Q
single ovule consists of a megasporangium called a
A
nucellus
2
Q
narrow passage where integument comes together over the nucellus
A
micropyle
3
Q
protective upgrowth of tissue that surrounds the nucellus
A
integument
4
Q
what divides mitotically into four things (one megaspore)
A
megasporocyte
5
Q
what is embedded into the megagametophyte
A
egg
6
Q
what are clusters of sporophylls
A
strobili
7
Q
what are strobili that are woody
A
cones
8
Q
what is the microgametophyte
A
pollen
9
Q
how do you know pollen is mature?
A
if it has wings
10
Q
what is the ploidy of microsporophyll
A
2N
11
Q
what is the ploidy of microsporangium
A
2N
12
Q
what is the ploidy of pollen
A
N
13
Q
what is the ploidy of an ovule
A
2N
14
Q
what is the ploidy of megasporangium
A
2N
15
Q
what is the ploidy of the integument
A
2N
