Science
What is the meaning of Tropism?
A response that results in plant growth toward or away from a stimuli.
What is the meaning of Phototropism?
The growth of a plant towards or away from light.
what is the wombats main form of defense
they use there butts
Meaning of Plant Hormones?
Substances that act as chemical messengers within plants
What are the three things plants need to survive?
Food (sunlight)
Water
Oxygen
What are the potential stimuli of Tropism?
- Light
- Touch
- Gravity
What is the meaning of Photoreceptor
Chemicals in plants that allows it to detect light
What plants are known to wrap around or cling to structures?
When vines wrap around objects, it is positive thigmotropism
Meaning of Auxins?
Responsible for increased plant growth and play a part in positive phototropism
What are the two processes plants use to get food and energy?
Photosynthesis
Cellular Respiration
What is the meaning of Long-Day Plants
Plants that flower when exposed to less than 10-12 hours of darkness
Which part of the plant typically goes through negative phototropism?
Roots (grow away from light)
What is the meaning of Stimuli?
Any changes in an organism's environment that causes a change in behavior
Meaning of Gibberellins?
Present in rapidly growing areas of plants, such as roots and stems
What organelle does photosynthesis take place in?
Chloroplasts
What is the meaning of Short-Day Plants?
Plants that need 12 or more hours of darkness in order to begin flowering
What direction do leaves and stem tend to grow
Towards the light
This allows them to maximize the amount of light they receive.
What is an example of Caleb's favorite backflip?
lay out
Meaning of Cytokinins
Increases the rate of cell division and slows the aging process of flowers and fruits
What are the products of Cellular Respiration?
Carbon Dioxide
Water
ATP
Three types of flowering responses?
Long-day
Short-day
Day-neutral
What is the meaning of Tendrils?
Structures on plants that allow them to wrap around or cling on to objects
what direction is negative Gravitropism?
UPWARDDDDDDD
Humans depend on plants for:
Food
Shelter (wood, bamboo, straw)
Clothing (cotton)
Fuel (Ethanol)
Where does cellular respiration take place?
Mitochondria