Show:
Wood
Leaves in General
Leaf Anatomy
More Stems
Stems in general
100
consists of one year's growth of xylem
What is an annual ring?
100
stomata are part of this tissue
What is the epidermis?
100
organelle that can be seeen in the cells of the palisade mesophyll
What are chloroplasts?
100
responsible for lateral conduction of food in a stem
What is rays?
100
leaves and buds are attached to this region of the stem known as...
What is the axil?
200
living tissue sandwiched between the xylem and phloem
What is the vascular cambium?
200
leaf pigments responsible for gold to orange leaf colors in the fall are...
What are carotenes?
200
tissue that has numerous intercellular spaces
What is spongy mesophyll?
200
the procambium produces these
What are primary xylem and phloem?
200
a twig's age can be determined by this....
What is counting the number of bud scale scars?
300
wood's capacity to withstand decay organisms is referred as...
What is durability?
300
the leaf epidermis is coated with this material
What is cutin?
300
a jacket of cells surrounding the leaf vein
What is bundle sheath cells?
300
leaf arrangement on stem when there are three or more leaves
What is whorled?
300
tissue responsible for the production of cork cells
What is the cork cambium or phellogen?
400
in a woody dicot this is crushed as growth occurs
What is the pith?
400
tissue where leaf veins are located
What is the mesophyll?
400
function of the stomata
What is facilitate transpiration?
400
siphonosteles occur in this type of plant
What are ferns?
400
as a woody stem ages, lenticels develop directly beneath this...
What is the stomata?
500
an increase in the girth of the tree is due to the activity of this...
What is the vascular cambium?
500
these cause pectins in the middle lamella of cells in the separation layer to break down in the fall
What are decreasing daylengths, lower temperatures, decreasing light intensities, and lack of adequate water?
500
Another name for mesophyll cells
What is chlorenchyma?
500
a characteristic that distinguishes a woody stem from a herbaceous stem
What is woody stems produce new growth each season?
500
In monoocot stems the parenchyma cells are referred as this...
What is ground or fundamental tissue?