campbell
Terms : Hide Images
| 370937736 | bryophytes | A moss, liverwort, or hornwort; a nonvascular plant that inhabits the land but lacks many of the terrestrial adaptations of vascular plants. |  |
| 370937737 | vascular plants | plants with true vascular tissue | |
| 370937738 | vascular tissue | tissue that conducts water and nutrients through the plant body in higher plants | |
| 370937739 | pteridophytes | Ferns |  |
| 370937740 | seed | a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa |  |
| 370937741 | gymnosperm | seed plant that bears its seeds directly on the surfaces of cones |  |
| 370937742 | angiosperm | flowering plant; bears its seeds within a layer of tissue that protects the seed |  |
| 370937743 | charophyceans | The green algal group that shares two ultrastructural features with land plants. They are considered to be the closest relatives of land plants. |  |
| 370937744 | rosette cellulose synthesizing complex | Rose-shaped array of proteins that synthesize the cellulose microfibrils of the cell walls of charophyceans and land plants. | |
| 370937745 | peroxisomes | Contain oxidase enzymes that detoxify alcohol, hydrogen peroxide, and other harmful chemicals | |
| 370937746 | apical meristem | Embryonic plant tissue in the tips of roots and in the buds of shoots that supplies cells for the plant to grow in length. |  |
| 370937747 | placental transfer cells | A plant cell that enhances the transfer of nutrients from parent to embryo | |
| 370937748 | embryophytes | Another name for land plants, recognizing that land plants share the common derived trait of multicellular, dependent embryos. | |
| 370937749 | alternation of generations | A life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristic of plants. | |
| 370937750 | gametophyte | the gamete-producing individual or phase in the life cycle of a plant having alternation of generations | |
| 370937751 | sporophyte | the spore-producing individual or phase in the life cycle of a plant having alternation of generations | |
| 370937752 | spores | reproductive cells that can develop into another organism without fusing with another cell. | |
| 370937753 | sporopollenin | a durable polymer that covers exposed zygotes of charophyte algae and forms the walls of plant spores, preventing them from drying out. | |
| 370937754 | sporangia | multicellular organs that produce spores | |
| 370937755 | spore mother cells | The cells that undergo meiosis and generate haploid spores within a sporangium. | |
| 370937756 | gametangia | The reproductive organ of bryophytes, consisting of the male antheridium and female archegonium; a multichambered jacket of sterile cells in which gametes are formed. | |
| 370937757 | antheridia | male reproductive structure in some algae and plants |  |
| 370937758 | archegonium | a female sex organ occurring in mosses, ferns, and most gymnosperms | |
| 370937759 | cuticule | A wax-like coating on the leaves that retains water. | |
| 370937760 | stomata | the small openings on the undersides of most leaves through which oxygen and carbon dioxide can move | |
| 370937761 | xylem | the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels |  |
| 370937762 | phloem | (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed | |
| 370937763 | secondary compounds | chemical compounds produced by plants strictly for repelling or attracting predators or pollinators. | |
| 370937764 | deep green | An international initiative focusing on the deepest phylogenetic branching within the plant kingdom to identify and name the major plant clades. | |
| 370937765 | streptophyta | is composed of seven clades, including land plants. Land plants and Charales are sister clades |  |
| 370937766 | viridiplantae | New clade that includes both green algae and land plants |  |
| 370937767 | plantae | the taxonomic kingdom comprising all living or extinct plants | |
| 370937768 | mosses | phylum bryophyta, have rhizoids instead of roots; fuzzy green gametophyte; long slender sporophyte |  |
| 370937769 | liverworts | phylum hepatophyta, a nonvascular plant that's shaped like a human liver. found growing as a thick crust on moist rocks or soil along the sides of a stream. |  |
| 370937770 | hornworts | phylum antherocerophyta, nonvascular plant that has a slender, curved structure that look like horns growing out of the gametophytes. the horn like structures are actually the sporophytes. they are not found on rocks or tree trunks. they grow in moist soil, often mixed in with grass plants. |  |
| 370937771 | protonema | mass of tangled green filaments in mosses that forms during germination |  |
| 370937772 | gametophore | The mature gamete-producing structure of a moss gametophyte. | |
| 370937773 | rhizoids | the hyphae that anchors the mold to the surface of the bread and that penetrates the breads surface |  |
| 370937774 | foot | (1) The portion of a bryophyte sporophyte that gathers sugars, amino acids, water, and minerals from the parent gametophyte via transfer cells. (2) One of the three main parts of a mollusc; a muscular structure usually used for movement. See also mantle, visceral mass. | |
| 370937775 | seta | stalk of a moss capsule | |
| 370937776 | sporangium | a specialized sac, case, or capsule, or other structure that produces spores. |  |
| 370937777 | capsule | a dry dehiscent seed vessel or the spore-containing structure of e.g. mosses |  |
| 370937778 | calyptra | the hood or cap covering the calyx of certain plants: e.g., the California poppy |  |
| 370937779 | peristome | A ring of interlocking, tooth-like structures on the upper part of a moss capsule (sporangium), often specialized for gradual spore discharge. | |
| 370937780 | peat | partially carbonized vegetable matter saturated with water, partially decayed plant matter found in bogs | |
| 370937781 | branched sporophytes | sporophytes that can become independent of parental gametophytes. A characteristic of vascular plants | |
| 370937782 | seedless vascular plants | The informal collective name for the phyla Lycophyta (club mosses and their relatives) and Pteridophyta (ferns and their relatives). | |
| 370937783 | protracheophyte polysporangiophytes | A group of Silurian moss-like ancestors that were like bryophytes in lacking lignified vascular tissue but were different in having independent, branched, sporophytes that were not dependent on gametophytes for their growth. | |
| 370937784 | microphylls | In lycophytes, a small leaf with a single unbranched vein. | |
| 370937785 | megaphylls | a leaf with a highly branched vascular system, characteristic of vast majority of vascular plants; Complex leaves | |
| 370937786 | homosporous | Referring to plants in which a single type of spore develops into a bisexual gametophyte having both male and female sex organs. | |
| 370937787 | heterosporous | A term referring to a plant species that has two kinds of spores: microspores that develop into male gametophytes and megaspores that develop into female gametophytes. | |
| 370937788 | megaspores | A spore from a heterosporous plant that develops into a female gametophyte bearing archegonia. | |
| 370937789 | microspores | A spore from a heterosporous plant that develops into a male gametophyte with antheridia. | |
| 370937790 | lychophyta | Club mosses are small plants with rhizomes and short, erect branches. Like horsetails, theyy were common 300 million years ago when their extinct relatives were treelike plants. | |
| 370937791 | pterophyta | Ferns. "Seedless plants". Among earliest vascular plants to colonize land. Life cycle involves alternation of generation (dominant stage is the sporophyte generation). | |
| 370937792 | sporophylls | A modified leaf that bears sporangia and hence is specialized for reproduction. | |
| 370937793 | psilophytes | most primitive of tracheophytes and contains rhizoids; only living vascular plants to lack both true roots and leaves | |
| 370937794 | spenophyta | Vascular plants with hollow, ribbed stems and reduced, scalelike leaves. E.g. horsetails. Extinct species were as large as modern trees. Current ones are small & found in wet, marshy habitats. | |
| 370937795 | horsetails | seedless vascular plant with jointed stems; needlelike branches AKA spenophyta | |
| 370937796 | ferns | Any of numerous flowerless, seedless vascular plants having roots, stems, and fronds and reproducing by spores AKA pterophyta | |
| 370937797 | sori | fern structures in which spores are produced |
