In plants, the outmost layer of cells that covers and protects all parts of the plant.
vascular tissue responsible for the transport of nutrients and the carbohydrates produced by photosynthesis
the process by which cells produce energy from carbohydrates; atmospheric oxygen combines with glucose to form water and carbon dioxide
opening in the underside of a leaf that allows carbon dioxide and oxygen to diffuse into and out of the leaf
Nonliving vascular tissue that carries water and dissolved minerals from the roots of a plant to its leaves
Pairs of cells that surround stomata and control their opening and closing.
A growth response of a plant toward or away from a stimulus
loss of water from a plant through its leaves
Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.
A flowering plant, which forms seeds inside a protective chamber called an ovary.
seed plant that bears its seeds directly on the surfaces of cones
Plant growth in response to light
response to the earth's gravity, as the growing of roots downward in the ground.
plant growth in response to touch
a plants growth response to water; plant grows towards the water