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Science Chapter 3
Science stuff in Chapter 3 PLANTS
Question | Answer |
---|---|
Dicot | flowering plant with two cotyledons in its seed |
xylem | tissue of tubular vessels that move water |
plolem | tissue that moves food from leaves and stems |
cambium | tissue that produces new xylem and pholem cells |
stomata | small pores in the leaf surface |
guard cells | cells that open and close stomata |
pioneer species | the first plants to grow in new enviornments |
cellulose | what cell walls are made of |
rhizoids | moss plants are held in place by rootlike filaments |
vasular plants | plants that have vessels |
cuticle | waxy , protective layer on stems and leaves of plants |
nonvascular plants | lack a tubelike system of vessels. |
angiosperm | flowering vascular plants with seeds inside a fruit |
gymnosperms | nonflowering vascular plants that produce seeds on cones |
monocot | flowering plants with one cotyledon in their seeds |
five characteristics of plants | roots, stem, seeds, leaves, and vascular tissue |
seed plant | plant that grows from a seed |
examples of gymnosperms | lumber, christmas trees, soap, paint, paper, meds, and varnish |
Why are most plants green? | Green pigment is in most of them. |
2 characteristics shared by plants and green algae | same chlorophyll, both have carotenoids. |
examples of seedless nonvascualr plants | mosses, liverworts, hornorts |
examples of seedless vascualr plants | ferns, club mosses, horsetails |
leaves | organs of the plant |
stems | act as an anchor, support branches, leaves, reproductive structures. Food (materials) move between roots through vascualr tissue in stem. |
herbaceous stems | soft and green |
woody stems | hard, rigid, woody stems |
bryophytes | nonvascular plant |
pteridophytes | seedless vascular plant |