Term
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Definition
| refers to plants that lack vascular tissue |
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Term
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Definition
| seedless plants that contain vascular tissue but are not ferns |
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Term
| alteration of generations refers to |
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Definition
| a life cycle that exhibits separate multi cellular diploid individuals and multicellular haploid individuals |
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Term
| what two are needed to complete one life cycle |
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Definition
| gametophyte and sporophyte |
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Term
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Definition
| multicellular individual that may be unisexual or bisexual thaat produces haploid gamete cells |
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Term
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Definition
| released haploid spres into the enviro. that germinate and gro to become multicellular haploid gametophyte |
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Term
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Definition
| gametes are produced in them |
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Term
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Definition
| may produce glagellated sperm |
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Term
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Definition
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Term
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Definition
| seedless plants--male reproductive |
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Term
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Definition
| seedless plants-female reproductive |
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Term
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Definition
| phylum of nonvascular plants made up on mosses and liverworts |
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Term
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Definition
| seedless plants-the multicellular haploid phase that produces gametes |
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Term
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Definition
| producing two types of spores-male/female |
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Term
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Definition
| producing a single type of spore that gives rise to a gametophyte with both male and female reproductive organs |
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Term
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Definition
| sporangium containing megaspores |
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Term
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Definition
| a haploid spore that produces female gametophyte |
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Term
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Definition
| sporangium containing microspores |
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Term
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Definition
| hap. spore that produces male gametophyte |
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Term
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Definition
| hair-like extensions that anchor the plants to the ground |
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Term
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Definition
| seedless plants-multicellular organ where meiosis occurs and haploid cells develop |
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Term
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Definition
| a haploid cell that divides by mitosis to develop into a haploid adult |
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Term
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Definition
| seedless plants-the diploid phase that produces spores |
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Term
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Definition
| cone like structure composed of sporophylls |
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Term
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Definition
| vegetative body which is not differentiated into true leaf, stem or root |
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Term
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Definition
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Term
| what is the fern allies dominant life cycle |
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Definition
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Term
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Definition
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Term
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Definition
| organizes life into a hierarchy based on available evidence |
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Term
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Definition
| domain, kingdom, phylum, class, order, family, genus, species |
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Term
| The kingdom animalia is also known as |
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Definition
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Term
| T/F the phylogenies of the Metazoa match |
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Definition
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Term
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Definition
| the body plan without a body cavity |
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Term
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Definition
| phylum composed of segmented worms, some organs repeat in segments |
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Term
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Definition
| most diverse phylum - all members have jointed appendages, an exoskeleton, and a segmented body |
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Term
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Definition
| organism with a left and right side - only one way to cut them |
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Term
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Definition
| phylum - all share a notochord and pharyngeal gills |
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Term
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Definition
| diploblastic phylum - distinguished by the ability to sting |
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Term
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Definition
| body plan with a membrane-lined body cavity - more organizatoin |
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Term
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Definition
| mode of deveopment of the digestive system during which the mouth forms second (the anus forms first) |
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Term
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Definition
| tissue derived from two embryonic layers: endo/exoderm |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| the outer layer of tissue in the gastrula, gives rise to the skin and nervous system |
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Term
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Definition
| inner layer of tissue in the gastrula, gives rise to most of the digestive system |
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Term
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Definition
| organisms with true tissues |
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Term
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Definition
| clade of organisms that share one of two characteristics: either a lophophore (whorl of tentacles) mouthpart or a trochophore larval stage |
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Term
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Definition
| the layer of germ tissue that fills the space between ectoderm and endoderm |
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Term
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Definition
| phylum - all of which have a large cavity used for breathing and excretion and lined with tissue and 2 or 3 nerve cords. |
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Term
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Definition
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Term
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Definition
| type of asexual reproduction in which females produce offspring from unfertilized eggs |
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Term
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Definition
| an acoelmoate phylum without circulatory or respiratory organs |
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Term
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Definition
| sponges; lack true tissue. instead, they are composed of several different cell types |
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Term
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Definition
| mode of development of the digestive system during which the mouth forms first - anus second |
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Term
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Definition
| body plan with a body cavity that is nor membrane-lined by mesoderm tissue |
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Term
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Definition
| can be cut in any direction to get halves |
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Term
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Definition
| phylum of aquatic pseudocoelomates with cilia that surround mouth that appear to rotate when beating |
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Term
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Definition
| having tissues derived from all three embryonic layers: ectoderm, mesoderm, and endoderm |
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