Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
36 Cards in this Set
- Front
- 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
|