| nematoda | | embryonic root |
| pericarp | | embryonic development in which first pore formed becomes the mouth |
| statocyst | | sensory structionres that have calcium in them |
| planula | | general layer of cells between the root epidermis and the vascular cylinder |
| ganglia | | vascular plant |
| pollentube | | special cells in sponges that filter water |
| endocarp | | tiny openings in the bark of a tree that allow air to enter the interior of the tree |
| cortex | | first phylum to have a pseudocoelom |
| tracheophyte | | fungi that form symbiotic relationship with plant roots to help them survive |
| spongin | | one of the four rings of flower parts |
| nymph | | xylem cells with slanted ends and perforations |
| deuterostome | | embryonic stem above cotyledon |
| radicle | | stinging cells found in cnidarians |
| osculum | | free-living larval form of cnidarian |
| endosperm | | hollow structure that grows from pollen grain to ovule |
| benthic | | phylum of roundworms |
| plumale | | place water enters the water vascular system of a starfish. Also called the madreporite |
| hilum | | having both male and female flowers on the same plant |
| larva | | special cells in sponges that transport food from cell to cell |
| platyhelminthes | | phylum of flatworms |
| nemertea | | what CAM stands for |
| vessselmembers | | the three walls of the ovary |
| fragmentation | | xylem cells (dead at maturity) that act as tiny"straws" for moving water (2) |
| gemmule | | hole in top of sponge that water flows out of |
| radula | | structural skeleton of a sponge |
| sievetubemembers | | contain flickering cilia that propel water out of the cell (2) |
| cnidocytes | | ring of petals |
| nemertea | | embryonic stem:root below cotyledon |
| micropyle | | immature stage of an insect that undergoes incomplete metamorphosis |
| nematoda | | triploid food for a plant embryo |
| crassulaceanacidmetabolism | | first phlyum to have a circulatory system |
| carpel | | waxy layer within the endodermis that forces substances to pass through the plasma membranes of cells in the endodermis (2) |
| epicotyl | | bristles earthworms use to grip ground |
| tracheids | | first phylum to have a one-way digestive tract |
| malpighian | | special cells that surround the xylem and phloem in a leaf and are involved in the storage of photosynthetic products, especially C4 plants |
| gastrodermis | | form of asexual reproduction in sponges in which a piece breaks off and forms a new sponge |
| cynoecium | | embryonic leaves |
| amoebocytes | | segments of a tapeworm |
| mycorrihizae | | inner wall of the ovary |
| corolla | | having male and female flowers on separate plants |
| nemertea | | phylum of ribbon worms |
| casparianstrip | | scorpions and horseshoe crabs belong in this classification |
| sieveplate | | aggregation of sensory cells |
| lenticel | | immature stage of an insect taht undergoes complete metamorphosis |
| tubenucleus | | survivor pods |
| spicules | | ring of stamens |
| monoecious | | the developed version of the rendoderm in the cniariau |
| whorl | | when plant parts begin to form into a new structurecalex: ring of sepals |
| choanocytes | | embryonic development in which first pore formed becomes the anus |
| androecium | | ring of carpels (or pistils) |
| dioecious | | insects get rid of wastes through these tubules |
| tracheids | | forms the pollen tube (2) |
| bundlesheath | | ocean bottom dwellers |
| chelicera | | female part of plant; some fuse to form sections like in an orange |
| protostome | | form of elastic collagen found in poriferans |
| setae | | toothlike grinding organ in mollusk |
| flamecells | | xylem cells with overlapping end walls and pits through which water passes. dead at maturity |
| aepicotyl | | living cells of the phloem that lose their nucleus and have perforated ends (3) |
| morphogenesis | | point of seed attachment to pod |
| proglottids | | opening in seed through which pollen tube passes. Allows water in for germination to begin |