| A | B |
|---|
| What are the funtions of roots? | anchor the plant to the ground and absorb water and nutrients |
| What are the functions of stems? | support the body for the plant, and carry water, nutrients and food |
| What are the functions of leaves? | the main organs of photosynthesis |
| What is dermal tissue? | the tissue that makes up the outer covering of the plant |
| What is ground tissue? | the tisssue that provide most of the plant's supporting strength and where photosynthesis takes place |
| What is vascular tissue? | the tissue that makes up the fluid-conducting system of the plant |
| List the parts of a root | epidermis (root hairs), cortex, vascular cylinder |
| What is referred to as the movement of water past a membrane? | osmosis |
| What are the parts of a stem? | pith, cortex, epidermis, xylem and phloem |
| What are two kinds of stems? | woody and herbaceous |
| What are the parts of the leaf? | epidermis, mesophyll, veins |
| What are the types of leaf cells? | mesophyll cells-palisade and spongy layers, upper epidermis-guard cells, stomata, lower epidermis-cuticle |
| What are the components of the vascular system? | xylem and phloem |
| What is the function of xylem? | to transport water and nutrients |
| What is the function of phloem? | to transport carbohydrates |
| What is geotropism? | plant growth in response to gravity |
| What is phototropism? | plant growth in response to light |
| What is thigmotropism? | plant growth in response to touch |
| List four plant hormones | auxins, cytokinens, gibberelin, ethylene |
