| A | B |
|---|
| 2 characteristics of seed plants | vascular tissue and use seeds to reproduce |
| phloem | food moves through this tube |
| xylem | water and nutrients move through this tube |
| seeds | structures that contain a young plant inside a protective covering |
| guard cells | special cells which open and close the stomata |
| embryo | the beginning of the growing seed |
| zygote | fertilized egg of sexually reproducing plants or animals |
| germination | early growth stage of the seed |
| photosynthesis | leaves capture the sun's energy and carry out the food-making process of this process. |
| stomata | the underside of the leaf that has small openings that let gases in and out |
| transpiration | process which water evaporates from the stomata |
| stems do... | hold the leaves up and provides support for the plant |
| cambium | inside the stem is a layer of cells called this |
| roots | anchor a plant in the ground and absorb water and nutrients from the soil |
| root cap | protects the root from injury from rocks and other material as the rot grows through the soil |
| vascular | plant with veins to carry materials |
| nonvascular | plant without veins; soaks up materials needed |
| gymnosperm | Plant without covered seeds; always has needle or scalelike leaves |
| angiosperm | type of plant with covered seeds |
| tropism | response or movement of plant |
| vacuole | organelle in the guard cells which fills with water to open the stomata |
| chloroplast | organelle which traps light energy in the sugar molecule |
| respiration | process by which ATP is released to be used as energy for cellular processes |
| photosynthesis | chemical reaction by which light energy is trapped in the bonds of a sugar molecule |
| flower | reproductive system of an angiosperm |
| cone | reproductive organ of most gymnosperms |
| leaf | food making organ of plants |
| raw materials | substances at the beginning of a chemical reaction |
| products | substances at the end of a chemical reaction |
