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Study sets matching "biology evolution seed"

17 terms
Biology- Gymnosperms - the evolution of seed plants
Gymnosperms
Male gametophytes
Female Gametophytes
Pollen
seeds and pollen grain are key adaptations for life on land…
within pollen grain ... - microspore ( 1n) produced within micro…
Integuments + megasporangium +magaspore = ovule ... Megaspore(fe…
Pollen grain coated with sporopollenin , making them tough (…
Gymnosperms
seeds and pollen grain are key adaptations for life on land…
Male gametophytes
within pollen grain ... - microspore ( 1n) produced within micro…
36 terms
Campbell Biology Chapter 30 The Evolution of Seed Plants
An Antegument
A key adaptation common to all seed pl…
What is not an example for a seed plant:
Derived traits of seed plants?
is a protective layer of tissue surrounding the megasporangium
Naked Seed
Pterophyte
leaves, ovules, pollen, and roots
An Antegument
is a protective layer of tissue surrounding the megasporangium
A key adaptation common to all seed pl…
Naked Seed
Biology 1108 Chapter 29: The Evolution of Seed Plants
1. Explain key characteristics of gymn…
2. Explain the evolutionary relationsh…
4. Explain the process of pollination.
5. Discuss the key steps of a "typical…
Cycads (Cycadophyta)—300 species... Ginkgos (Ginkgophyta)—one…
Gymnosperms—pines and cycads... Angiosperms—flowering plants
When a pollen grain lands near a female gametophyte.... A polle…
Wind carries pollen grains from the male cone to the female c…
1. Explain key characteristics of gymn…
Cycads (Cycadophyta)—300 species... Ginkgos (Ginkgophyta)—one…
2. Explain the evolutionary relationsh…
Gymnosperms—pines and cycads... Angiosperms—flowering plants
52 terms
Biology: Chapter 30/the Evolution of Seed Plants
Seed
Unique characteristics of seed plants
Size and purpose of size of gametophytes
Homosporous
Embryo packaged a long with a store of food with a protective…
Reduced gametophytes ... Heterospory ... Ovules ... Pollen
- Microscopic ... - Allows gametophytes to develop from spores r…
Produce one kind of spore that usually gives rise to a bisexu…
Seed
Embryo packaged a long with a store of food with a protective…
Unique characteristics of seed plants
Reduced gametophytes ... Heterospory ... Ovules ... Pollen
44 terms
Biology ch. 30 Evolution of Seed Plants
seed
seed plants have microscopic gametophy…
seed plants are
integument
consists of an embryo and its food supply surrounded by a pro…
can develop from spores retained within sporangia of parental…
heterosporous
layer of sporophyte tissue that envelops and protects megapso…
seed
consists of an embryo and its food supply surrounded by a pro…
seed plants have microscopic gametophy…
can develop from spores retained within sporangia of parental…
14 terms
Biology Chapter 30: evolution of seed plants
Seed plants originated how many years…
What three things are common to al see…
What is the advantage of a reduced gam…
Megasporangia produce ___ that contain…
360 million
1. dominant sporophyte and reduced gametophytes... 2. heterospor…
The gametophytes of seed plants develop within tissues of the…
megaspores, eggs
Seed plants originated how many years…
360 million
What three things are common to al see…
1. dominant sporophyte and reduced gametophytes... 2. heterospor…
12 terms
AP Biology, Ch. 30 - Evolution of Seed Plants
Reduced Gametophytes
Heterospory
Microspores
Pollen
Develop the within the walls of spores that are retained with…
Refers to the production of both microspores (male gametophyt…
Develop into pollen grains and contain the male gametophytes
Eliminates the need for water during pollination; can be spre…
Reduced Gametophytes
Develop the within the walls of spores that are retained with…
Heterospory
Refers to the production of both microspores (male gametophyt…
9 terms
Evolution of the Seed / Seed Plants
Percent of Plants that are seed plants…
Why are seed plants dominant?
Progymnosperms
Cycadophyta
88... 99.7
Endosperm nourishes the seed, which is then ABLE TO REMAIN DO…
ancestor of seed plants, led to 2 lineages: seed ferns and co…
sago palms from seed ferns
Percent of Plants that are seed plants…
88... 99.7
Why are seed plants dominant?
Endosperm nourishes the seed, which is then ABLE TO REMAIN DO…
35 terms
Biology 2, Test 2 - Evolution of Seed Plants and Reproduction
Common traits to all seed plants
What is the dominate stage of seedless…
Gynosperms
Phylum Cycadophyta
* Reduced gametophytes ... * Heterospory (separate male/female s…
Sporophyte (2n)
Cone plants. "Naked seed" no enclosed by ovaries. Consists of…
Type of Gynosperm. Commonly known as Cycads.
Common traits to all seed plants
* Reduced gametophytes ... * Heterospory (separate male/female s…
What is the dominate stage of seedless…
Sporophyte (2n)
18 terms
Evolution of seeds
seeds
pollination
conifers
angiosperms
around for 8,000 years
transfer of pollen to the part of the seed plant containing t…
cone-bearing gymnosperms
flowering plants with fruit
seeds
around for 8,000 years
pollination
transfer of pollen to the part of the seed plant containing t…
28 terms
Evolution of Seeds and Flowers [Inquire in Plant Biology]
sporophyte vs sporocyte
Megasporocyte vs megaspore
microspore vs sperm
megaspore vs egg
Both diploid. Sporophyte is generation of plant life, sporocy…
megasporocyte is diploid, megaspore is haploid (from 4 megasp…
pollen is derivative of microspore.... Spores are direct meioti…
egg is haploid, megaspore is haploid 4 megaspores > 1 egg
sporophyte vs sporocyte
Both diploid. Sporophyte is generation of plant life, sporocy…
Megasporocyte vs megaspore
megasporocyte is diploid, megaspore is haploid (from 4 megasp…
27 terms
Evolution of Seeds
gymnosperms
ovulate cone, pollen cone
pine life cycle
mega-, microsporangium
...
...
...
...
gymnosperms
...
ovulate cone, pollen cone
...
54 terms
Biology Chap. 30 Plant Diversity II: Evolution of Seed Plants
seed
characteristics of seed plants
advantage of reduced gametophytes
most seedless plants are homosporous
plant embryo and food supply surrounded by protective coat
seeds, reduced gametophytes, heterospory, ovules, and pollen.…
gametophytes can develop from spores housed within the sporan…
produce one kind of spore giving rise to bisexual gametophyte.
seed
plant embryo and food supply surrounded by protective coat
characteristics of seed plants
seeds, reduced gametophytes, heterospory, ovules, and pollen.…
33 terms
Biology [CHAPTER 30] (Plant Diversity II: The Evolution of Seed Plants)
Which of the following adaptations is…
Which one of the following is true of…
The diploid generation of the plant li…
The closest seedless relatives of seed…
All of the listed responses are correct.
The gametophyte is reduced and dependent on the sporophyte.
produces spores
They were homosporous.
Which of the following adaptations is…
All of the listed responses are correct.
Which one of the following is true of…
The gametophyte is reduced and dependent on the sporophyte.
Evolution of seeds
gymnosperms: sporophyte or gametophyte…
gymnosperms: cycads; what kind of envi…
gymnosperms: gnetophyta; what kind of…
gymnosperms: gingkophyta; what kind of…
sporophyte; no; very diverse, moist to driest
tropical environment; nonmobile; are pollinated by sperm blow…
dry, arid habitats; nonmobile; 400-1000 years
wet to dry habitats; tall trees; extinct in wild
gymnosperms: sporophyte or gametophyte…
sporophyte; no; very diverse, moist to driest
gymnosperms: cycads; what kind of envi…
tropical environment; nonmobile; are pollinated by sperm blow…
33 terms
Biology [CHAPTER 30] (Plant Diversity II: The Evolution of Seed Plants)
Which of the following adaptations is…
Which one of the following is true of…
The diploid generation of the plant li…
The closest seedless relatives of seed…
All of the listed responses are correct.
The gametophyte is reduced and dependent on the sporophyte.
produces spores
They were homosporous.
Which of the following adaptations is…
All of the listed responses are correct.
Which one of the following is true of…
The gametophyte is reduced and dependent on the sporophyte.
28 terms
Biology 1114: Evolution of fungi plans and seed plants- Week 8
Animals... Fungi & animals are more simil…
Fungi... Fungi & animals are more similar…
Plants... Fungi & animals are more simila…
Hyphae
-Cell wall (some chitin)... -Sugar storage (glycogen)... -Food (het…
-Cell wall (chitin)... -Sugar storage (glycogen)... -Food (heterotr…
-Cell wall (cellulose)... -Sugar storage (starch)... -Food (autotro…
Tiny filaments of fungi that form a network underground and "…
Animals... Fungi & animals are more simil…
-Cell wall (some chitin)... -Sugar storage (glycogen)... -Food (het…
Fungi... Fungi & animals are more similar…
-Cell wall (chitin)... -Sugar storage (glycogen)... -Food (heterotr…
25 terms
SEED, biology
fruit
seed
grain
monocotyledonous seed
it is the enlarged ripened ovary
it is the ripened ovule
it is the actual fruit in which the fruit wall and the seed c…
this seed has one cotyledon, eg- maize
fruit
it is the enlarged ripened ovary
seed
it is the ripened ovule
37 terms
Biology 1008 Lab - Evolution of Land Plants II: Seed Plants
What are the 4 types of gymnosperms?
What is the largest division within th…
What is the key feature to gymnosperms?
What is the xylem of gymnosperms compo…
- Conifers... - Gnetum... - Gingko... - Cycads
Conifers
"naked" seeds
Tracheids
What are the 4 types of gymnosperms?
- Conifers... - Gnetum... - Gingko... - Cycads
What is the largest division within th…
Conifers
11 terms
Biology ~ Seeds
Seed need ? to grow
Flower parts
Function of the Petal
Function of the Anther
Water, sunlight, space, correct temperature, nutrients, chlor…
Attract insects
Produces pollen
Seed need ? to grow
Water, sunlight, space, correct temperature, nutrients, chlor…
Flower parts
14 terms
Evolution of Seed Plants
secondary growth
primary growth
inegument
endosperm
in plants, growth that contributes to an increase in girth
...
a protective surface structure. In gynospermsa nd angiosperms…
a specialized triploid seed tissue found only in angiosperms;…
secondary growth
in plants, growth that contributes to an increase in girth
primary growth
...
21 terms
The Evolution of Seed Plants
Seed Plants
Reduced Gametophytes
Heterospory
Ovules
1) Gymnosperms... 2) Angiosperms
Microscopic, developed from spores, and retained within the s…
Two types of spores... 1) Megaspores (female)... 2) Microspores (ma…
Consists of megasporangium, megaspore, and their integuments
Seed Plants
1) Gymnosperms... 2) Angiosperms
Reduced Gametophytes
Microscopic, developed from spores, and retained within the s…
19 terms
Seed Evolution and Gymnosperm
3 groups of land plants
Seed
Seed plants have
Non-vascular plants (dominant stage)
Non vascular, seedless vascular, and seed
consist of an embryo and nutrients surrounded by a protective…
reduced gametophytes, heterospory, ovules, and pollen
the gametophyte is the dominant free-living stage
3 groups of land plants
Non vascular, seedless vascular, and seed
Seed
consist of an embryo and nutrients surrounded by a protective…
13 terms
Seed Evolution, Gymnosperms
Seeds
Traits common to all seed plants (othe…
Reduced gametophyte
Heterspory
Consists of an embryo and nutrients surrounded by a protectiv…
-Reduced gametophyte... -Heterospory... -Ovules... -Pollen
-The gametophyte of seedless vascular plants is smaller... -The…
-Seed plants are heterosporous (has male and female sporangia…
Seeds
Consists of an embryo and nutrients surrounded by a protectiv…
Traits common to all seed plants (othe…
-Reduced gametophyte... -Heterospory... -Ovules... -Pollen
18 terms
Chapter 30: Seed Evolution, Gymnosperms
Seed
Seed Plants
Seedless vascular plants
Heterospory (structures)
- consists of an embryo and nutrients surrounded by a protect…
Common to all seed plants:... - reduced gametophytes ... - heterosp…
- gametophytes are the smaller of two free-living stages
- seed plants have both male and female sporangia ... - *megaspo…
Seed
- consists of an embryo and nutrients surrounded by a protect…
Seed Plants
Common to all seed plants:... - reduced gametophytes ... - heterosp…
39 terms
BIO: Evolution of Seed Plants
because they produced seeds
flowers;seeds
pollen(6-100microns): ... -spores coated…
seeds... -have tissue from 3 generations…
How Did Seed Plants Become Today's Dominant Vegetation?
Gymnosperms don't produce _______, they produce ________.
1.- Evolutionary innovation of the seed plants
2.- Evolutionary innovation of the seed plants
because they produced seeds
How Did Seed Plants Become Today's Dominant Vegetation?
flowers;seeds
Gymnosperms don't produce _______, they produce ________.
48 terms
Chapter 30 - Evolution of Seed Plants
homosporous
heterosporous
megasporangia
microsporangia
produce one kind of spore; usually gives rise to a bisexual g…
produces two kinds of spores: megasporangia and microsporangia
produce megaspores; give rise to female gametophytes
produce microspores; give rise to male gametophytes
homosporous
produce one kind of spore; usually gives rise to a bisexual g…
heterosporous
produces two kinds of spores: megasporangia and microsporangia
14 terms
Evolution of Seed Plants
Homospory
Heterospory
Megaspore
microspore
only one kind of spore
two different kinds of spores
develops into female gametophytes
develops into male gametophytes
Homospory
only one kind of spore
Heterospory
two different kinds of spores
Chapter 29: The Evolution of Seed Plants
progymnosperms
seed
seed ferns
gymnosperms and angiosperms
seedless vascular plants that were first plants in adaptation…
provide a secure and lasting dormant change for the plant emb…
woody and now extinct; possessed fernlike foliage but had see…
two major groups of today's seed plants
progymnosperms
seedless vascular plants that were first plants in adaptation…
seed
provide a secure and lasting dormant change for the plant emb…
33 terms
Ch.30 The Evolution of Seed Plants
Adaptations to all seed plants
Megasporangia
Microsporangia
Integument
-Reduced gametophytes ... -Heterospory... -Production of ovules ... -P…
Produce megaspores that give rise to female gametophytes
Produce microspores that give rise to male gametophytes
Sporophyte tissue that protects the megasporangium
Adaptations to all seed plants
-Reduced gametophytes ... -Heterospory... -Production of ovules ... -P…
Megasporangia
Produce megaspores that give rise to female gametophytes
19 terms
Evolution of seed plants
What are the evolutionary innovations…
What does a seed coat develop from?
What is found within the megasporagium?
what is found in the center of the seed?
1. pollen... 2. seeds (contains tissue from 3 generations)... 3. Wo…
-the integument... -tissues from the diploid sporophyte parent
the haploid female gametophytic tissue from the next generation
the third generation (embro) of the new diploid sporophyte
What are the evolutionary innovations…
1. pollen... 2. seeds (contains tissue from 3 generations)... 3. Wo…
What does a seed coat develop from?
-the integument... -tissues from the diploid sporophyte parent
25 terms
evolution of seed plants
gymnosperms
angiosperms
haploid gametophyte develops ? or ? wh…
only ? and ? have swimming sperm in gy…
pines and cycads
flowering plants
partly, entirely
cycads and ginkgos
gymnosperms
pines and cycads
angiosperms
flowering plants
27 terms
(6)Seed Evolution and Gymnosperm
3 groups of land plants
Seed
Seed plants have
Non-vascular plants (dominant stage)
Non vascular, seedless vascular, and seed
consist of an embryo and nutrients surrounded by a protective…
reduced gametophytes, heterospory, ovules and pollen
the gametophyte is the dominant free-living stage
3 groups of land plants
Non vascular, seedless vascular, and seed
Seed
consist of an embryo and nutrients surrounded by a protective…
19 terms
Evolution of Seed Plants
Stamen
Anther
Filament
Carpel
Male reproductive organs of a plant
Makes pollen
supports the anther
Female reproductive organs of a plant
Stamen
Male reproductive organs of a plant
Anther
Makes pollen
25 terms
Evolution of seed plant Gymnosperms
Most important plant in evolution
Evolution of seed? (date)
Seeds survival value
Transformation from...
seed plants
395- 286 ma dovonian
remain dormant... protection of embryo... nutrients stored ... dispers…
Homospory- to heterspory
Most important plant in evolution
seed plants
Evolution of seed? (date)
395- 286 ma dovonian
55 terms
The Evolution of Seed Plants
Megaspores
Microspores
Seed
Microphylls
Develop into female gametophytes
Develop into male gametophytes
An embryo surrounded and protected by gametophytes tissues
Small and simple leaves
Megaspores
Develop into female gametophytes
Microspores
Develop into male gametophytes
14 terms
The Evolution of Seed Plants
ovule
Gymnosperm megaspores
Angiosperm megaspores
pollen
consists of a megasporangium, megaspore, and one or more prot…
one integument
two integuments
sperm delivery device; can be blown by wind or carried by ins…
ovule
consists of a megasporangium, megaspore, and one or more prot…
Gymnosperm megaspores
one integument
18 terms
Evolution of Seed Plants
When did the first seed plants origina…
4 Divisions of GymnoSperms
Coniferophyta
Cycadophyta
Carboniferous era
Coniferophyta, Cycadophyta, ginkgophyta, gnetophyta
•cone bearers produce pollen and seed cones... •pollen cone=prod…
pollinated by insects... starch in roots, stems, and seeds... toxic
When did the first seed plants origina…
Carboniferous era
4 Divisions of GymnoSperms
Coniferophyta, Cycadophyta, ginkgophyta, gnetophyta
15 terms
Evolution of Seed Plants
Fossil Record
Reduced Gametophytes
Heterospory
Ovule Composition
seed plants arose 360 mya
gametophytes of seed plants microscopic... 2. gametophytes dev.…
1. nealry all seedless plants (vasc or non-vasc.) are... homospo…
a. megasporangium... b. megaspore... c. integuments... ♀ gametophyte (…
Fossil Record
seed plants arose 360 mya
Reduced Gametophytes
gametophytes of seed plants microscopic... 2. gametophytes dev.…
50 terms
Evolution of Seed Plants
homospory
heterospory
megaspores
microspores
sporophytes produce only one kinds of spores
sporophytes produce two different kinds of spores; megaspores…
develop into female gametophytes
develop into male gametophytes
homospory
sporophytes produce only one kinds of spores
heterospory
sporophytes produce two different kinds of spores; megaspores…
22 terms
the evolution of seed plants
embryo + nutrients + protective coat =
when did seed plants originate
seed plants replaces --- as dominant p…
when did human cultivation of seeds be…
seed
360 million years ago
seedless
12000 years ago
embryo + nutrients + protective coat =
seed
when did seed plants originate
360 million years ago
41 terms
Biodiversity 4: Evolution of Seeds
vascular tissue
lignin
xylem
tracheid
xylem & phloem that supports the plant and provides transport…
polymers that form important structural materials in support…
vascular tissue composed of vessel elements and tracheids, wa…
elongated cells in the xylem that serve in the transport of w…
vascular tissue
xylem & phloem that supports the plant and provides transport…
lignin
polymers that form important structural materials in support…
Gymnosperms and the Evolution of Seed Habitat
Seed
5 seed plant phyla
Ovule
Innovation of Seeds
Baby plant with a winter jacket and a packed lunch
Gymnosperms... (1) Coniferophyta... (2)Gingkophyta... (3)Cycadophyt…
Integumented megasporangium
(1)Provide store of food for next generations... (2)Decreased re…
Seed
Baby plant with a winter jacket and a packed lunch
5 seed plant phyla
Gymnosperms... (1) Coniferophyta... (2)Gingkophyta... (3)Cycadophyt…
45 terms
Evolution of Seed Plants
Seed plants originated..
Seed
Advantages of Seed Plants
2 groups of seed plants
360 mya
A seed develops from the whole ovule after fertilization. A s…
may remain dominant for days and years, built in supply of st…
gymnosperms and angiosperms
Seed plants originated..
360 mya
Seed
A seed develops from the whole ovule after fertilization. A s…
38 terms
Evolution of Plants/Seed Plants
characteristics of plants
traits that plants and algae share
adaptation which allowed plants to mov…
apical meristems
1) multicellular... 2) eukaryotic... 3) cell walls made of cellulos…
1) rose shaped complexes (make cellulose)... 2) peroxisomes... 3)fl…
sporopollenin (prevents dessication) (cuticle)
localized region of cell division
characteristics of plants
1) multicellular... 2) eukaryotic... 3) cell walls made of cellulos…
traits that plants and algae share
1) rose shaped complexes (make cellulose)... 2) peroxisomes... 3)fl…
22 terms
The Evolution of Seed Plants
homospory
heterospory
megaspores
microspores
Sporophytes produce only one kind of spore.
Production of two different kinds of spores.
Develop into female gametophytes.
Develop into male gametophytes.
homospory
Sporophytes produce only one kind of spore.
heterospory
Production of two different kinds of spores.
20 terms
The Evolution of Seed Plants
The seed plants are
Characteristics of Seed of Plants
Gymnosperm: Naked Seeds
Xylem
heterosporous
- hetersporous seed plants... - greatly reduced gametophytes ... -…
- group of seed plants that do not produce flowers... - have abu…
the vascular tissue in plants that conducts water and dissolv…
The seed plants are
heterosporous
Characteristics of Seed of Plants
- hetersporous seed plants... - greatly reduced gametophytes ... -…
25 terms
Evolution of Seed Plants
megaspore
microspore
spores
plants have ?
female gametophyte
male gametophyte
remain in sporophyte tissue and grow into tiny male or female…
heterospory and reduced gametophytes
megaspore
female gametophyte
microspore
male gametophyte
69 terms
Biology Exam 2 PLANT DIVERSITY II: THE EVOLUTION OF SEED PLANTS (30) ANIMAL DIVERSITY (32)
reduced gametophytes, heterospory (pro…
a multicellular diploid embryo, food s…
they are mostly microscopic enabling t…
gymnosperms, angiospemrs, reduced, spo…
what adaptations helped seed plants cope with conditions such…
what does a seed consist of?
what are the advantages of reduced gametophytes?
seed plants consist of the two clades ___ and ___, have ___ g…
reduced gametophytes, heterospory (pro…
what adaptations helped seed plants cope with conditions such…
a multicellular diploid embryo, food s…
what does a seed consist of?
34 terms
The Evolution of Seed Plants (Chapter 30)
Seed
360
Integument
Ovule
An adaptation of some terrestrial plants consisting of an emb…
See plants are believed to have originated as far back as ___…
Layer of sporophyte tissue that contributes to the structure…
A structure that develops within the ovary of a seed plant an…
Seed
An adaptation of some terrestrial plants consisting of an emb…
360
See plants are believed to have originated as far back as ___…
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