| A | B |
|---|
| plant | multicellular eukaryote that produces its own food through photosynthesis |
| cuticle | in plants, the waxy layer that holds in moisture |
| stomata | pores in the cuticle of a plant through which gas exchange occurs (singluar: stoma) |
| vascular system | collection of specialized tissues in some plants that transports mineral nutrients up from the roots and brings sugars down from the leaves |
| lignin | complex polymer that hardens cell walls of some vascular tissues in plants |
| pollen grain | two-celled structure that contains the male form of the plant's gamete |
| seed | structure used by some land plants to store and protect the embryo |
