Investingating Plant Diversity
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1
Describe the Characteristics of Plants
Photosynthetic Autotrophs-Plants self-feed by converting solar energy to stored Chemical Energy through Photo Synthesis
Multicellular-Makes it distinguishable from other photosynthetic Autotrophs
Terrestrial-Most plants evolved from terrestrial ancestors
Clade-They are Monophyletic
Multicellular-Makes it distinguishable from other photosynthetic Autotrophs
Terrestrial-Most plants evolved from terrestrial ancestors
Clade-They are Monophyletic
2
Name the Synapomorphic trait of Plants
Generations alternate
Spores are produced in Sporangia (Large Numbers)
Multicellular Gametangia-Produce many gametes
Apical Meristems-Self Renewing, give rise to all plant parts
Spores are produced in Sporangia (Large Numbers)
Multicellular Gametangia-Produce many gametes
Apical Meristems-Self Renewing, give rise to all plant parts
3
What is a Gametophyte
A multicullular haploid stage
Produces Haploid Gametes by Mitosis
Produces Haploid Gametes by Mitosis
4
What is a Sporophyte
A multicellular Diploid Stage
Produces haploid spores by meiosis
Produces haploid spores by meiosis
5
What happens in the life cycle of a plant?
The organism alternates between a gametophyte and a sporophyte
6
What are plants thought to have evolved from?
Chlorophytes
7
How long were plants on land?
475 million years
8
Plant evolution was made possible through who?
Animals made the adaption to life on land
9
List the abilities that came with living on land
-Resistance to Water Loss
-Support of the plant body which is made out of cellulose and lignin
-Transport Water and Energy through the vascular tissue
-Growth
-Support of the plant body which is made out of cellulose and lignin
-Transport Water and Energy through the vascular tissue
-Growth
10
What is the firstancestor of plants?
Non-vascular plants
11
What is the second in the plant evolution chart?
Seedless vascular plants
12
What is the third in the plant evolution chart?
Gymnosperms
13
What is the fourth in the plant evolution chart?
Dicot angiosperms
14
What is the fifth in the plant evolution chart?
Monocot Angiosperms
15
True or False? Non vascular plants have xylem and phloem
False. Non vascular plants lack these.
16
Where can non-vascular plants be found?
Dam, shady habitats
17
Are non-vascular plants big or small?
small
18
Sperm are flagellated and need what for fertilization?
Water
19
What is the photosynthetic stage of the life cycle?
Gametophyte Generation
20
Is Phylum Hepatophyta a non-vascular plant or a vascular plant?
Non-vascular plant
21
True or false? Vascular Seedless Plants do not require water for fertilization
False
22
What do seedless vascular plants contain?
xylem and phloem
23
The sporophyte generation is what of the life cycle?
conspicuous
24
Is phylum pterophyta seedless or non-seedless
Seedless
25
What is a seed?
A seed is a adaptation that has a embryonic plant, food supply, and a protective coat
26
what are seeded plants known as?
Gymnosperms and Angiosperms
27
Is the ovule enclosed by sporophyte by the time of pollination?
No
28
What are Gymnosperms?
Naked Seeds
29
What are Angiosperms
Enclosed seeds
30
What are two kinds of Angiosperms?
Flowers and Fruit
31
is a conifer a gymnosperm or an angiosperm?
Gymnosperm
32
Name the 4 gymnosperms
Conifers, Cycads, Gnetophytes, Ginkgo
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