Lec 8- All Seed Plants and Seed Plants 1: Gymnosperms Flashcards
1
Q
Seed plants first
evolved
A
in the Carboniferous period
2
Q
Derived traits of seed plants
A
Pollen grains make sperm
2) Eggs are made in ovules
3) Ovules become seeds
3
Q
Seed plants produce
A
pollen grains
Pollen grains make sperm
4
Q
Ovules and eggs
A
Inside of an ovule, an egg
will be made
5
Q
ovules
A
Cells that produce egg
* Integument – protects
ovule
6
Q
Pollination
A
transfer of pollen to part of plant containing ovule
Pollen tube grows into ovule, discharges sperm
7
Q
Fertilization
A
when sperm fuses with an egg
8
Q
Seeds
A
An ovule becomes a seed after the egg is fertilized
9
Q
zygote
A
sperm fertilizes egg
grows into embryo
Integument becomes seed coat
10
Q
Seed contains
A
