Term
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Definition
| Phylum of seedless vascular plants, some of which are heterosporous |
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Term
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Definition
| club mosses, spike mosses, quillworts |
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Term
| Fern Sporophytes Consist of |
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Definition
•A rhizome that bears fronds (megaphylls)
•True roots |
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Term
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Definition
•Have dichotomously branching rhizomes and erect stems
•Lack true roots and leaves |
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Term
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Definition
•Roots, rhizomes, and aerial stems are hollow and jointed
•Leaves are reduced megaphylls |
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Term
| Whisk ferns and horsetails are classified as... |
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Definition
| ...are classified as ferns. |
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Term
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Definition
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Term
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Definition
| clusters of sporangia on Fern fronds |
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Term
| Meiosis in sporangia produces... |
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Definition
| ...in sporangia produces haploid spores |
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Term
| Fern gametophyte develops from a ... |
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Definition
| ...develops from a haploid spore |
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Term
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Definition
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Term
| Fern gametophyte (prothallus) bears... |
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Definition
| In ferns, _ bears both archegonia and antheridia |
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Term
| Diploid zygote grows by _ into a multicellular embryo (_) [Ferns] |
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Definition
| _ grows by mitosis into a _ (immature sporophyte) [Ferns] |
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Term
| Prothallus is shaped like a _, has _ instead of roots and bears _ & _ |
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Definition
| Heart; rhiziods; antheridium & archegonium |
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Term
Ferns:
Prothallus (gametophyte)= _
Fern (Mature sphorophyte)= _ |
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Definition
Ferns:
_= Haploid generation
_= Diploid generation |
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Term
Club moss sporophyte
•roots?
•rhizomes or stems?
•microphylls or megaphylls? |
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Definition
_ sporophyte
•true roots
•rhizomes and erect or trailing aerial stems
•small, scalelike microphylls |
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Term
Spike moss sporophyte
•roots? dichotomous?
•rhizomes or stems? dichotomous?
•microphylls or megaphylls? |
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Definition
_ sporophyte
•long, creeping rhizomes that typically branch dichotomously
•roots that branch dichotomously
•overlapping, scalelike microphylls |
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Term
Quillwort sporophyte
•corm?
•microphylls or megaphylls?
•roots? |
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Definition
_ sporophyte
•underground corm
•cylindrical, quill-like microphylls
•roots |
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Term
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Definition
| •Production of one type of n spore that gives rise to a bisexual gametophyte |
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Term
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Definition
| •Production of two types of n spores, microspores and megaspores |
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Term
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Definition
| Haploid, typically female |
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Definition
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Term
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Definition
| According to fossil record, arose about 420 mya and became extinct about 380 mya |
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Term
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Definition
| Outer layer of an ovule that develops into a seed coat following fertilization |
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Term
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Definition
| Structure in seed plants that develops into a seed following fertilization |
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Term
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Definition
| ...occur in gymnosperms and angiosperms |
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Term
| gymnosperms pollen grains spread by... |
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Definition
| ...pollen grains spread by wind |
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Term
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Definition
| conifers, cyads, Ginkgoes, Gnetophytes |
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Term
| Gnetophytes resemble _ but are _ family |
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Definition
| Gnetophytes: angiosperms, gymnosperms |
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Term
| Order of evolution of Gymnosperms |
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Definition
| cyads, Ginkgoes, conifers, Gnetophytes (& angiosperms) |
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Term
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Definition
| •Having male and female reproductive parts in separate flowers or cones on the same plant |
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Term
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Definition
| •Having male and female reproductive structures on separate plants |
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Term
| Cyads: Monoecious or Dioecious? |
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Definition
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Term
| Conifers: Monoecious or Dioecious? |
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Definition
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Term
| Ginkoes: Monoecious or Dioecious? |
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Definition
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Term
| Gnetophytes: Monoecious or Dioecious? |
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Definition
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Term
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Definition
| Pine ___ are extremely small and nutritionally dependent on sporophyte generation |
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Term
| A pine tree is a mature... |
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Definition
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Term
| Pine is heterosporous or homosporous? |
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Definition
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Term
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Definition
| ...cones contain sphorophylls & are mega OR microspores |
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Term
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Definition
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Term
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Definition
| •A leaflike structure that bears spores within a sporangium (or sporangia) |
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Term
| Male cones produce microspores |
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Definition
| •Develop into pollen grains, carried by air currents to female cones |
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Term
| Female cones produce megaspores |
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Definition
| One of four megaspores produced by meiosis develops into a female gametophyte within an ovule (megasporangium) |
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Term
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Definition
| seedless vascular plants that had megaphylls and “modern” woody tissue |
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Term
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Definition
Progymnosperm which existed about 370 mya, had
some features in common with
modern seed plants but did not
produce seeds. |
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Term
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Definition
• The seed leaf of a plant embryo, which may
contain food stored for germination |
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Term
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Definition
• One of two main classes of flowering plants;
seeds contain a single cotyledon
•have floral parts in threes
•include grasses, orchids, irises,
onions, lilies, palms |
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Term
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Definition
• One of two main classes of flowering plants;
seeds contain two cotyledons
• have floral parts in fours or fives
• include oaks, roses, mustards, cacti,
blueberries, sunflowers |
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Term
Angiosperms:
*Sporophyte generation is ...
• Gametophyte generation is ... |
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Definition
Angiosperms:
*_ is larger and
nutritionally independent
• _ generation is reduced to only a
few microscopic cells |
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Term
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Definition
• A process in the flowering plant life cycle in
which there are two fertilizations
• One results in formation of a zygote
• Second results in formation of endosperm |
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Term
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Definition
The 3n nutritive tissue formed at some point
in the development of all angiosperm seeds |
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Term
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Definition
• A type of reproduction in which fruits and
seeds are formed asexually |
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Term
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Definition
• One of three groups of angiosperms thought
to be ancestral to all other flowering plants |
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Term
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Definition
| • Group including most angiosperm species |
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Term
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Definition
three subgroups: magnoliids,
monocots, and eudicots |
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Term
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Definition
• One of the groups of flowering plants
• Core angiosperms once classified as “dicots,”
but molecular evidence indicates they are
neither eudicots nor monocots
• Includes species in magnolia, laurel, and
black pepper families, several related families |
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Definition
• Examples: apple, pear, plum, cherry, apricot,
peach, strawberry, raspberry, rose |
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