Flashcard Set Preview
| Side A | Side B | ||
| 1 |
In addition to seeds, what characteristics are common to all seed plants?
|
Reduced gametophytes, heterospory, ovules, and pollen
|
|
| 2 |
What dominates the life cycle of a seedless vascular plants?
|
Sporophytes
|
|
| 3 |
What is the advantage of reduced gametophytes?
|
Tiny gametophytes can develop from spores retained within the sporangia of the parental sporophyte.
|
|
| 4 |
What envelops and protects the megasporangium?
|
An integument
|
|
| 5 |
What is the whole structure of a megasporangium, megaspore, and their integuments called?
|
An ovule
|
|
| 6 |
What does a microspore develop into?
|
A pollen grain
|
|
| 7 |
The transfer of pollen to the part of a seed plant that contains the ovule is defined as what?
|
pollination
|
|
| 8 |
What do the gametophytes of nonvascular plants and seedless vascular plants release for fertilization?
|
Flagellated sperm
|
|
| 9 |
What advantages do seeds provide over spores?
|
Spores are single-celled, whereas seeds have a multicellular layer of tissue, which is the...
|
No comments yet! Be the first to add a comment below!
Please login to post comments.
After login, we will forward you back to this flashcard.