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36 Cards in this Set

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  • Back
What does it mean for c3 plants to have a higher co2 compensation point?
It means that they need more co2 for photosynthesis.
What does it mean for c4 plants to have a low co2 compensation point?
They don't need as much co2 to function.
Name 3 efficient c4 plants.
sugarcane, corn, bamboo
Name some characteristic qualities of Kranz anatomy.
Small intracellular spaces, frequent veins, Rings of bundle sheath cells with numerous chloroplasts (maximized photosynthesis), captured and recycled co2 from photorespiration waste, co2 "superchargers"
Which plants don't need soil to grow?
orchids.
Tropical places generally don't have what kind of plants?
CAM plants
Sun plants are also known as _.
heliophytes
Shade plants are also known as
sciophytes.
How many lux are characteristic of sun plants?
4,000 Lux
How many lux are characteristic of shade plants?
27 Lux
Which plant is C3 and CAM at the same time?
Isoetes Andina
What plant has no stomata, gets its CO2 from the soil, and grows at high altitudes?
Isoetes Andicola
What is a characteristic of CAM plants involving photosynthesis?
They obtain CO2 at night.
What is a characteristc of c4 plants that CAM plants do not have?
bundle sheath cells
Isoetes species are what type of plants?
C3 (Calvin cycle plants) AND CAM plants (obtains co2 at night) at the same time
What is the name of the root that is C3 during the day and CAM at night, represents a huge carrot?
Welwitschia Mirabilis
What is the term "dark respiration" associated with?
CAM plants
What is the species of plants that have no stomata?
Isoetes andicola
What is the species of plants with what appears to be dust on its leaves?
Bromeliads
Dry leaves reflect more/less light because they have more surface area/reflective surfaces.
more light
What is the term for the amount of light being reflected?
albedo
What is pubescence?
Formation of hairs that are usually white in order to provide shading for leaves. Common.
What is the term for shading seedlings?
"the nurse effect"
Name some plants that actively use the nurse effect.
Silver swords, pencil cholla
What is the process of germination?
Staying close for shade.
What kind of soils are only at high elevations and can reach very hot temperatures?
Volcanic soils
What is the average temperature in the shade?
18.5 Celsius
What is the average hot temperature?
36.5 Celsius
Absorption works best with small leaves why?
Because they reduce the absorption area.
Some plants are capable of rotating their orientation/exposure area in absorption to maximize or minimize, such as the __.
Desert holly
Some trees lose their leaves during the warmest or coldest parts of the year to keep from photosynthesizing. This is known as..
deciduousness
Convection is when...
Air over a leaf gets hot and rises
Advection is when...
Masses of air move laterally over a leaf
For leaf convection and advection, the leaf temperature must be __ than the air temperature.
hotter
Heat transfer is known as the root of wind velocity over __
The root of leaf area
___ leaves have greater surface transfers and are more efficient at moving hot air.
Smaller