A | B |
Tropism | The directional response plants make to a stimulus |
Geotropism | Response to gravity |
Phototropism | Response to light |
Negative | Response away from a stimulus |
Positive | Response towards a stimulus |
Water and minerals | Found by plant roots when they grow down |
Light | Found by plant shoots when they grow up, out of the soil |
xylem | vascular tissue that transports water and minerals |
phloem | vascular tissue that transports nutrients |
non-vascular | lacks true roots, xylem, phloem, leaves and stems |
vascular | contains xylem, phloem, leaves, stems and roots |
angiosperm | flowering plants with seeds enclosed by endospore |
gymnosperm | conifers, plants with seeds without endospore |
seedless vascular | plants without flowers or cones |
spores | used for reproduction in plants lacking seeds. |
pistil | female reproductive organ of flowers |
stamen | male reproductive organ of flowers |
cross-pollination | pollen from another flower fertilizes a 2nd flower |
self-pollination | flower fertilizes itself. |
heterotroph | organism that depends on other organisms for food |
autotroph | organisms that synthesize food for themselves |