lab5 Flashcards
1
Q
gymnosperm means
A
it produces naked seeds
2
Q
angiosperm means
A
it produces enclosed seeds
3
Q
pollen
A
the name given ot the thick-walled, desiccation-resistant, male gametophyte of seed plants
- vehicle that takes male gametes to female gametes
4
Q
pollination is ______
It is accomplished by ______
It is also a process that is _______
A
- process of transferring pollen to the location of eggs
- wind, insects, other animals
- distinct from fertillizaiton
5
Q
seed definition
A
ripened ovule
6
Q
ovule definition
A
- a highly reduced structure which contains a female gametophyte enclosed within a sporangium surrounded by integument(modified leaves)
7
Q
At maturity all seeds have a ______ (3)
A
- diploid sporophyte embryo
- food supply
- protective seed coat
8
Q
- Spruce tree phylum is _______
- Our model organism is ______
- Dominant generation
- vascular/non-vascular
- It’s habitat is _______
- Some adaptations are ________
- Some friends are _________
A
- Coniferophyta
- Picea
- Sporophyte
- vascular
- harsh, dry
- needle like leaves, thick and waxy cuticle
- Sequoia, Norfold Island Pine, Juniper, Cycad, Ginkgo
9
Q
Tracheids do what for picea
A
Transport water to high heights
10
Q
pollen cone for picea
A
male cone
- has sporophylls(tight modified leaves)
- each sporophyll has two microsporangia (elongate yellow sacs)
11
Q
ovule cone for picea
A
- has flattened ovuliferous scales
- each scale has two ovules within a wing
12
Q
- Lilly phylum is _______
- Our model organism is ______
- Dominant generation
- vascular/non-vascular
- It’s habitat is _______
- Some adaptations are ________
- Some friends are _________
A
- Anthrophyta
- Lilium
- Sporophyte
- vascular
- N.A. grasslands
- Oil on lilly allows pollen to stick to pollinators
- Produces nectar to attract pollinators
- Sunflower, Wheat
13
Q
Monocots have
- ____ cotelydons
- a leaf venation that is ______
- ____ number of flower parts
- a _______ arrangement of vascular tissue in the stem
- a _____ type of root system
A
- One
- parallel
- Multiples of 3
- Scattered
- fibrous
14
Q
Dicots have
- ____ cotelydons
- a leaf venation that is ______
- ____ number of flower parts
- a _______ arrangement of vascular tissue in the stem
- a _____ type of root system
A
- Two
- Netted, Branched
- Multples of 4 or 5
- ring
- Branched taproot
15
Q
Sepals are typically
A
Green, enclose and protect other flower parts as part of a flower bud
