Vocabulary words from the AP Edition of Campbell Biology, Chapter 29.
Terms : Hide Images
| 335123807 | sporopollenin | a durable polymer covering exposed zygotes of charophyte algae, preventing them from drying out | 1 | |
| 335123808 | alternation of generations | life cycle of a plant including a multicellular diploid sporophyte and a multicellular haploid gametophyte | 2 | |
| 335123809 | gametophyte | the haploid component of a plant which is produced by mitosis of haploid gametes | 3 | |
| 335123810 | sporophyte | the diploid component of a plant which is produced by mitosis of zygotes | 4 | |
| 335123811 | spores | reproductive haploid cells that can develop into a haploid organism without fusing with another cell | 5 | |
| 335123812 | placental transfer cells | plant cells which enhance the transfer of nutrients from parent to embryo | 6 | |
| 335123813 | embryophytes | land plants, a name recognizing their derivation from multicellular, dependent embryos | 7 | |
| 335123814 | sporangia | multicellular organs of the sporophyte | 8 | |
| 335123815 | sporocytes | spore mother cells which undergo meiosis to produce spores | 9 | |
| 335123816 | gametangia | multicellular organs of the gametophyte | 10 | |
| 335123817 | archegonia | female gametangia | 11 | |
| 335123818 | antheridia | male gametangia | 12 | |
| 335123819 | apical meristems | localized regions of cell division at the tips of shoots and roots | 13 | |
| 335123820 | cuticle | the epidermal covering of plants consisting of polyester and wax polymers | 14 | |
| 335123821 | vascular tissue | cells joined into tubes that transport water and nutrients throughout the plant body | 15 | |
| 335123822 | vascular plants | plants with a complex vascular tissue system | 16 | |
| 335123823 | bryophytes | nonvascular plants | 17 | |
| 335123824 | lycophyte | name of the family of seedless vascular plants which includes club mosses | 18 | |
| 335123825 | pterophyte | name of the family of seedless vascular plants which includes ferns | 19 | |
| 335123826 | seedless vascular plants | collective name for lycophytes and pterophytes | 20 | |
| 335123827 | grade | a collection of organisms that share a common level of biological organization or adaptation | 21 | |
| 335123828 | seed | an embryo prackaged with a supply of nutrients inside a protective coat | 22 | |
| 335123829 | gymnosperms | plant family with seeds unenclosed by chambers | 23 | |
| 335123830 | angiosperms | plant family with covered seeds and flowers | 24 | |
| 335123831 | protonema | green, branched, one-cell-thick filaments produced by germinating moss spores | 25 | |
| 335123832 | gametophore | gamete-producing structure on a bud-like growth of an apical meristem of a gametophyte | 26 | |
| 335123833 | rhizoids | long, tubular single cells or filaments of cells which ancor the gametophytes | 27 | |
| 335123834 | foot | portion of a moss sporophyte that collects nutrients from the parent gametophyte via transfer cells | 28 | |
| 335123835 | seta | the elongated stalk of a moss sporophyte | 29 | |
| 335123836 | capsule | another name for the sporangium, or the location of meiosis and development of haploid spores | 30 | |
| 335123837 | peristome | upper part of the moss capsule specializing for gradual spore discharge | 31 | |
| 335123838 | stomata | spores found in all bryophytes and vascular plants, allowing exchange of CO2 and O2 between the outside air and the sporophyte interior | 32 | |
| 335123839 | peat | extensive deposits of partially decayed organic material | 33 | |
| 335123840 | xylem | vascular tissue conducting most of the water and minerals through the plants | 34 | |
| 335123841 | tracheids | cells of the xylem which are tube-shaped | 35 | |
| 335123842 | lignin | phenolic polymer that strengthens cell walls in vascular plant cells | 36 | |
| 335123843 | phloem | vascular tissue with cells arranged into tubes to distribute food | 37 | |
| 335123844 | roots | organs that absorb water and nutrients from the soil | 38 | |
| 335123845 | leaves | the main photosynthetic organ in vascular plants | 39 | |
| 335123846 | microphylls | small, usually spine-shaped leaves supported by a single strand of vascular tissue (unique to lycophytes) | 40 | |
| 335123847 | megaphylls | leaves with a highly branched vascular system, characteristic of most vascular plants | 41 | |
| 335123848 | sporophylls | modified leaves that bear sporangia | 42 | |
| 335123849 | sori | clusters of sporangia produced by fern sporophylls | 43 | |
| 335123850 | strobili | cone-like structures formed by groups of sporophylls | 44 | |
| 335123851 | homosporous | plants having one type of sporangium that produces one type of spore | 45 | |
| 335123852 | heterosporous | plants having two types of sporangia that produces two types of spores | 46 | |
| 335123853 | megaspores | a spore from a heterosporous plant that develops into a female gametophyte with archegonia | 47 | |
| 335123854 | microspores | a spore from a heterosporous plant that develops into a male gametophyte with antheridia | 48 |
