Terms : Hide Images
| 46406669 | Sporopollenin | a layer of durable polymer that prevents exposed zygotes from drying out | |
| 46406670 | alternation of generation | the life cycle that switches from haploid multicellular organisms to diploid multicellular organisms | |
| 46406994 | gametophytes | multicellular haploid organisms | |
| 46406995 | sporophytes | multicellular diploid organisms | |
| 46406996 | spores | reproductive cells that can develop into a gametophyte | |
| 46406997 | placental transfer cells | enhance the transfer of nutrients from parent to embryo through elaborate ingrowths of the wall surface | |
| 46406998 | embryophytes | dependent embryo of land plants, derived traits that land plants are also known as... | |
| 46406999 | sporangia | a sporophyte's multicellular organs that produces spores | |
| 46407000 | sporocytes | diploid cells, or spore mother, produced in the sporangia | |
| 46407001 | gametangia | multicellular organs that produce gametes | |
| 46407002 | archegonia | female gametangia | |
| 46407003 | antheridia | male gametangia | |
| 46407004 | apical meristems | growth in length is sustained by the activity of________. | |
| 46407005 | cuticle | consists of polyester and wax polymers,the covering of an epidermis | |
| 46407006 | vascular tissue | cells jointed into tubes that transport water and nutrients throughout the plant body | |
| 46407007 | vascular plants | plants that contain an extensive transport system | |
| 46407008 | bryophytes | informally named nonvascular plants | |
| 46407009 | grade | a collection of organisms that share a common level of biological organization or adaptation | |
| 46419939 | foot | absorbs nutrients from the gametophyte | |
| 46419940 | seta | conducts the nutrients from the gametophytes to the sporangium | |
| 46419941 | peristome | The upper part of the sporangium often specialized for gradual spore discharge | |
| 46419942 | stomata | pores that support photosynthesis by allowing the excahnge pf carbon dioxide and oxygen between the outside air and the sporophyte interior | |
| 46419943 | Xylem | vascular tissue that conducts most of the water and minerals | |
| 46419944 | tracheids | tube-shaped cells that carry water and minerals up from roots | |
| 46419945 | lignin | substance in vascular plants that makes cell walls rigid | |
| 46419946 | phloem | tissue that has cells arranged into tubes that distribute sugars, amino acids, and other organic products | |
| 46419947 | microphylls | small, usually spine-shaped leaves supported by a single strand of vascular tissue | |
| 46419948 | megaphylla | leaves w/ a highly branched vascular systems | |
| 46419949 | sporophylls | modified leaves that bear sporangia | |
| 46419950 | sori | clusters of sporangia that are usually on the undersides of sporophylls | |
| 46419951 | strobili | a group of sporophylls that form cone-like structure | |
| 46419952 | homosporous | produce one type of spore, which usually develop into a bisexual gametophyte | |
| 46419953 | heterosporous | species that has two types of sporangia and produce two kinds of spores | |
| 46419954 | megaspores | spores that develop into female gametophytes | |
| 46419955 | microspores | spores that develop into male gametophyes |
