Water and leaves enter the atmosphere in the process known as:
transpiration
What do we call messengers that trigger responses in plants?
hormones
Directionally independent movements are known as ______________ moveents.
nastic
The length of the __________________ dictates when a plant will flower.
night time
Plant reproduce asexually and produce clones in a process called
vegetative propagation
Water's ability to bind to other molecules is called
adhesion
This hormone promotes cell elongation and is required for phototropism
auxins
Plants that grow towards the light experience _______________ ______________
positive phototropism
critical day length
stolons
Cohesion is waters ability to bind to itself due to
hydrogen bonding
Which hormone is a gas that promotes ripening and forms abscission layers, which cause leaves to fall
ethylene
Plant stems experience __________________ gravitropism, while roots experience ___________________ gravitropism
negative, positive
______________ day plants flower when the night is long
short
During grafting, a branch from a tree called the ______________ is inserted into the rooted plant, which is called the ________________
scion, stock
These cells are where sugar is MADE
source
Which hormone promotes cell division
cytokinin
When a plant grows towards water.
hydrotropism
What type of plants flower regardless of the length of the night or the day?
day-neutral plants
A plant with branches bent towards the ground to propagate the plant is a reproductive process called
layering
In the pressure flow hypothesis, gradient differences cause the movement of water from the ____________ to the _____________, carrying sugar with it.
source, sink
Which hormone inhibits other hormones
absicic acid
This is when a grapevine wraps around a trellis
thigmotropism
Pigments called _______________________ control photoperiodism
phytochromes
Rarely, plants can reproduce from their ___________________
leaves