Term
| What are three important characteristics about seed plants? |
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Definition
1. Seed plants can reproduce withour free-standing water.
2. Seeds nourish and protect plant embryos.
3. Seeds allow plants to disperse to new places. |
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Term
| What occurs when pollen meets female reproductive parts of the same plant species? |
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Definition
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Term
| What is the main difference between gymnosperms and angiosperms? |
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Definition
| Gymnosperms are seed plants whose seeds ARE NOT enclosed in fruit, while angiosperms are seed plants whose seeds ARE enclosed in fruit. |
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Term
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Definition
| the reproductive structure of most gymnosperms |
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Term
Cones....
(Choose all the apply)
a. contain hard protective scales
b. produce the reproductive parts of the plants
c. is enclosed in a fruit
d. makes seeds |
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Definition
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Term
| What are gymnosperms that look like palm trees and were commonly eaten by dinosaurs? |
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Definition
cycads
This question will definitely be on the test. If you don't know what cycads are, learn it on page 621. |
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Term
| Why did Darwin call gingkos a "living fossil"? |
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Definition
Because they closely resembled its fossil ancestors
The test will definitely put a question about gingkos on the test. If you don't already know it, learn it on page 621. |
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Term
| What are the most common and diverse gymnosperms today? |
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Definition
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Term
Conifers....
(Choose all that apply)
a. have needle-like leaves
b. adapt well to mountainous regions
c. are evergreen
d. include maple, oak, and palm trees |
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Definition
ABC
I don't think you would really need to know this information. Don't waste your time too much on conifers. This question is more towards Jenny because I like to challenge her intelligence. :D |
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Term
| What are three big differences between seed plants and seedless plants? |
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Definition
1. Seedless plants need water to reproduce; seed plants don't
2. Seed plants produce two types of spores (male and female); seedless plants only produce one
3. Seed plants usually have microscopic gametophytes; Seedless plants usually have visual gametophytes |
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Term
True or False: Each scale on a female cone has two ovules that produce spores.
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Definition
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Term
| How many spores survive in each ovule? |
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Definition
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Term
| What begins to grow between the pollen and the egg after pollination? |
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Definition
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Term
| How many sperm develop inside the pollen grain? |
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Definition
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Term
| True or False: The sperm of seed plants have flagella. |
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Definition
| False; Since they do no need to swim through water to reach the egg, the sperm do not need flagella. |
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Term
| What is the female gametophyte enclosed in? |
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Definition
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Term
| What surrounds the megaspore and what will it eventually grow into? |
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Definition
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Term
| What eventually matures into pollen grains? |
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Definition
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Term
| What happens to the two sperm cells created in the pollen grain? |
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Definition
one fertilizes the egg, while the other degenerates (dies)
:( poor sperm |
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Term
| What happens to the megasporangium after the gametophyte stage? |
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Definition
| It is used to nourish the embryo in the seed |
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Term
Name each of the following terms as either haploid or diploid:
integument
megasporangium
embryo
pollen
cones
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Definition
integument - diploid
megosporangium - haploid
embryo - diploid
pollen - haploid
cones - haploid |
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Term
| [image]What is a male cone called? |
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Definition
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Term
| [image] What is female cones called? |
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Definition
seed cones
Isn't that a pretty picture of a seed cone!!!! |
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