what are the reactants of photosynthesis
food,water, carbon dioxide
what is the definition of tropism
A response that results in plant growth toward or away from a stimuli
what is the definition of Behavior
The way an organism reacts to a change in environment
what do humans depend on plants for
food, shelter (wood, bamboo, straw), cotton, fuel
what is Ethylene
A gas that is produced by fruits, flowers,seeds, and leaves
what is the definition of photosynthesis
A series of chemicals that converts light energy, carbon dioxide, and water into glucose and oxygen
what are some stimuli that plants are attracted to
light, touch, gravity.
what is the definition of phototropism
the process in which a plant grows/bends toward a light source
what are the four plant hormones
auxins, ethylene, gibberellins, cytokinins
what is Cytolcinins
Increased rate of cell division
and slows the aging process of flowers and fruits.
what is the definition of Palisade mesophyll
tightly packed cells at the top of the leaf that allow for maximum exposure to sunlight
what is positive and negative phototropism
positive* growth toward light
negative* growth away from light
what is thigmotropism
the positive and negative of touch
what happens when to much Ethylene is in a fruit
it rots
what is Auxin
a group of plant hormones that play a crucial role in regulating plant growth and development
what is the definition of Cellular respiration
A chemical that converts the energy in food molecules into usable energy
what is positive thigmotropism
positive* when vines wrap around something
negative*when roots wrap around something
what plant is for long-day
carnation
what is the EXACT definition of plant hormones
substances that acts as chemical messagers within the plant
what is photoperidism
A plants response to the number of hours of darkness in its environment
what does ATP stand for
Adenosine 5'-triphosphate
Why do house plants grow different from trees outside
light is all over the tree and the house plant has to go to the light
what plant is in the short-day
poinsettia
what is Gibberellins
presentin rapidly growing areas of plants such as root and stems
what are the three flowering responses
long-day short-day day-neutral