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78 Cards in this Set
- Front
- Back
What were the first land plants related to?
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green algae
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What does green algae share in common with plants?
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presence of chlorophyll a and b, storage of excess carbohydrates as starch, and cell walls made of cellulose
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were adapted as means of absorbing minerals and neutrients from the surrounding soil since land plants were no longer surrounded by an aqueous medium source
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rhizods and roots
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distinguished a land plant from green alagae
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development of a gametangium, and has a waxy cuticle
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prevents the embry from drying out in terrestial environments
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gametangium
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prevents dessication or drying out
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the waxy cuticle
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pores in plants that allow for gas exchange
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stomata
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allows for effeicient movement of materials throughout the complex bodies of plants
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vascular tissue
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most common sexual reproductive cycle of plants
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alternation of generations
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what does the sporophyte generation produce
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spores through meiosis
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what does the gametophytes produce
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haploid gametes by mitosis
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where are eggs produced
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in the archegonia
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where is the sperm produced
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the antheridia
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what forms when the egg and sperm fuse
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zygote
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what is the plant body
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thallus
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what type of plant is nonvascular
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brophytes
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what are root like structures that help anchor the plant and have some water and mineral absorptive capabilities
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rhizoids
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if a plant has vascular tissue what else does it have
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true leaves, stems, and roots
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transports water and minerals from the roots to the rest of the plant
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xylem
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transports nutrients from the roots to the rest of the plant
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phloem
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reproduction when the older central portion of the thallus does leaving the growing tips isolated
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fragmentation
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found on the dorsal side of some thalie the can produce a new plant if when it is splashed out it lands in a suitable habitat
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gemmae cup
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what are probably the must successful vascular plants that can live in multiple habitats
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ferns
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when sori mature the haploid spores are released, germinatem and grow into heart shaped gametophyte plants called..
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prothallus
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frons from the growing sporophyte break through the soil in a coiled position
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fiddlehead
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when the fiddlehead uncoils it displays a...
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fond
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tissue type of a gymnosperm
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woody trees and shrubs
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tissue type of an angiosperm
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woody and herbaceous
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vascular tissue of gymnosperm
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tracheids rarely vessels
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vascular tissue of an angiosperm
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tracheids and vessel elements
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repoductive structures of a gymnosperm
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cones, pollen, and embryo
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reproductive structures of an angiosperm
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flowers, embryo sac, pollen, embryo, seed and carpel
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fertilization of both a gymnosperm and angiosperm
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pollen grain, internal
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pollen grain transfer of gymnosperm
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by wind
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pollen grain transfer of an angiosperm
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wind, water, and animals
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where are seeds found in gymnosperm
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emposed or on scales of cone
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where are seeds found in an angiosperm
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enclosed within the fruit
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what do angisoperms owe their success to
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structual diversity, effecient vascular systme, evolution of the flower
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what are the male spores
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microspores
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what are the female spores
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megaspores
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what is a dormant embryo embedded into the nutrient tissue of the female gametophyte and surrounded by a coat
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seed
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what is the major difference between the gymnosperm and angiosperm
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placement of ovules and microsporangia
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what are the 4 classifications of gymnosperms
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coniferophyta, ginkgophyta, cycadophta, and gnetophta
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what is when there are seperate male and female plants that produce either ovules seeds or pollen
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diocious
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what is it when there is a single plant producing bother pollen producin and ocule bearing cones
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monocious
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what is the life cycle for angiosperms or flowering plants
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alternation of generations
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two reproductive structures of angiosperms
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the flower and the fruit
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female and male part of an angiosperms
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ovule prodcuing caples and pollen producing stamen
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what is a dormant embryo embedded into the nutrient tissue of the female gametophyte and surrounded by a coat
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seed
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attractive or protective leaf like structure
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preianth (the petals and carpel combines)
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what is the major difference between the gymnosperm and angiosperm
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placement of ovules and microsporangia
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tissue that supports flower organs
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receptacle
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what are the 4 classifications of gymnosperms
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coniferophyta, ginkgophyta, cycadophta, and gnetophta
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what is when there are seperate male and female plants that produce either ovules seeds or pollen
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diocious
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what is it when there is a single plant producing both pollen producinn and ovule bearing cones
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monocious
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what is the life cycle for angiosperms or flowering plants
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alternation of generations
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two reproductive structures of angiosperms
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the flower and the fruit
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female and male part of an angiosperms
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ovule prodcuing caples and pollen producing stamen
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attractive or protective leaf like structure
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preianth (the petals and carpel combines)
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tissue that supports flower organs
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receptacle
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tip of flower stalk
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peduncle
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flowers that contain both a stamen and carpel
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perfect flower
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contain many individual flowers on the recptale giving the illusion of one large flower
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composite flowers
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flowers that lack either a stamen or carpel
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imperfect flower
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forms a triploid tissue when double fertilization occurs
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endosperm
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embryonic seed leaf
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cotyledon
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have one cotyledon and the endosperm is usually present in mature seeds
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monocots
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have two cotyledons and the endosperm is usually absent in mature seeds having been absorbed by the cotelydon
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dicots
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when the ovary develops to form a container for the seeds
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fruit
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plant organ that collect sun and obtain carbon dioxide
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leaves
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plant organ that absorbs water and minerals
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roots
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plant organ that connect the two structures as well as support the plant
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stem
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plant organ that that helps maintain pressure within the cell
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vacuoles
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substance of the cell wall that holds two adjacent cells together
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middle lamella
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outer layer of a cell wall
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primary cell wall
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consist of minute strands of cytoplasm that extend through the cells walls of adjoining cells
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plasmodesmata
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how water is lost through leaves
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transpiration
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structures that allows water to leave the leaves
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stomata
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