Question | Answer |
artificial | Made by man; not natural. |
auxin | Growth chemical produced in plant leaf and root tips. |
carbohydrate | Chemical compound made of carbon, hydrogen, and oxygen(such as sugars, starches and cellulose).It is mostly formed by green plants. |
complexity | A quality of having a number of related units whose relationship is difficult to understand or imperfectly known. |
cortex | Storage parts of roots. |
cuticle | Waxy layer on epidermis. |
epidermis | Outer layer of cells. |
enzyme | Chemical used to help digestion. |
fertilizer | Chemicals added to plants to aid growth. |
gibberellin | Growth chemical made by plants. |
glucose | Sugar made during photosynthesis |
legume | A vegetable with seed pods. |
manure | Organic (natural) fertilizer. |
palisade layer | Layer of cells near near the top surface of the leaf which contains the chloroplasts. |
phloem | Tubes in plants carrying food downward. |
respiration | Chemical process of cells doing work; breathing. |
spongy | Soft, light,and full of holes like a sponge. |
starch | Many glucose units stacked together. |
stomata | Tiny opening on the underside of a leaf. |
tundra | The treeless Arctic plain where the sub-surfaceground is always frozen. |
vascular cylinder | Plant parts containing the phloem and xylem. |
xylem | Tubes in plants carrying water and minerals upward. |