Gymnosperms flashcards
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| 775242960 | Seed plants | Group of plants that includes the gymnosperms and angiosperms and is characterized by the production of seeds. | 1 | |
| 775242961 | Gymnosperms | Group of seed plants that produce 'naked seeds' | 2 | |
| 775242962 | 3 phyla of gymnosperms | Ginkgophyta, Cycadophyta, Coniferaphyta | 3 | |
| 775242963 | Ginkgophyta | Phylum of gymnosperms characterized by fan-shaped leaves, only 1 existing species remains that is valued for its resilience against pollution - however, the female plants are disliked due to their stinky seeds! | 4 | |
| 775242964 | Cycadophyta | Phylum of gymnosperms that are palm-like trees that produce cones, and that were very common during the Mesozoic era at the time of the dinosaurs. | 5 | |
| 775242965 | Coniferaphyta | Largest phylum of gymnosperms that are typically evergreen, softwood, cone-bearing species. | 6 | |
| 775242966 | Stoma | Opening in a leaf that enables gas exchange. | 7 | |
| 775242967 | Guard cells | Cells on either side of stomata that close when conditions are dry. | 8 | |
| 775242968 | Bark | Outer part of a tree, consisting of cork, cork cambium and phloem (where nutrient transport occurs). | 9 | |
| 775242969 | Wood | The inner part of a tree consisting of non-living xylem tissue. | 10 | |
| 775242970 | Sapwood | Outer part of wood where water transport occurs. | 11 | |
| 775242971 | Heartwood | Inner part of wood where water transport no longer occurs. | 12 | |
| 775242972 | Cork | Outermost layer of bark; non-living. | 13 | |
| 775242973 | Cork cambium | Meristematic tissue that produces cork. | 14 | |
| 775242974 | Vascular cambium | Meristematic tissue located between the bark and the wood in a tree that produces xylem and phloem. | 15 | |
| 775242975 | Cuticle | Waxy outerlayer of leaves that prevents water loss. | 16 | |
| 775242976 | Pollination | The transfer of pollen from the male parts of a plant to the female parts of the plant (not the same thing as fertilization). | 17 | |
| 775242977 | Megaspores | Spores that develop into the female gametophytes. | 18 | |
| 775242978 | Microspores | Spores that develop into the male gametophytes. | 19 | |
| 775242979 | Endosperm | Haploid nutritious tissue that nourishes the developing embryo. | 20 | |
| 775242980 | Seed cone | Female cone of conifers. | 21 | |
| 775242981 | Pollen cone | Male cone of conifers | 22 | |
| 775242982 | Pollen | Common term for the male gametophyte in conifers | 23 | |
| 775242983 | Heterosporous | Refers to plants that produce two different types of spores. | 24 | |
| 775242984 | Seed coat | Diploid part of a seed that provides protection to the developing embryo and is derived from the integument of the ovule. | 25 |
