| A | B |
|---|
| transpiration | the movement of water vapor out of a plant and into the air |
| pollen | tiny multicellular grains that contain the undeveloped sperm cells of a plant |
| vascular system | long tubelike tissues in plants through which water and nutrients move from different parts of the plant |
| gymnosperm | a plant that produces seeds that are not enclosed in flowers or fruit |
| seed | a plant embryo that is enclosed in a protective coating and has its own source of nutrients |
| angiosperm | a plant that has flowers and produces seeds enclosed in fruit flower |
| embryo | a multicellular organism plant or animal in its earliest stages of development |
| flower | the reproductive structure of an angiosperm containing male and female parts |
| germination | the beginning of growth of a new plant from a spore or a seed |
| pholem | tubes that moves food from where it is made to other parts of the plant |
| nonvascular plant | plants without vascular tissues |
| xylem | tubes that carry water and dissolved substances from roots to other parts of the plant |
| fruit | The ripened ovary of a flowering plant that contains the seeds. |
| monocot | plants with one cotyledon inside the seed |
| dicot | plants with two cotyledons inside the seed |
| stomata | openings that allow carbon dioxide water and oxygen to enter and exit a leaf |
| rhizoids | threadlike structures that anchor nonvascular plants in place |
| cuticle | waxy, protective layer on a plants surface that slows the loss of water |
| cotyledon | part of a plant often used for food storage |
| cambrium | plant tissue that produces xylem and pholem |
| guard cells | type of cell that surrounds the stomata and regulates it opening and closing |
| spore | a reproductive cell that is protected by a watertight covering |
