Plants
These are the two kinds of flower heads on a composite flower
Disk and ray
Vascular tissue that carries sap upward
Xylem
The bushy head of a tree
crown
This tree produces winged fruits called samaras
Maples
This bacteria returns soil nitrogen to the air
denitrifying bacteria
The place where an organism lives
habitat
This is the pressure produced by water within cells
Turgor pressure
This abscision layer is involved in this process
Loss of leaves
The largest deciduous tree in America
Sycamore
Leaf arrangement in which two leaves grow out of each node
Opposite
This carbohydrate strengthens cell walls.
Cellulose
A leaf that lacks a petiole
Sessile
Cork and parenchyma belong to this tissue family
Structural tissue
Members of this family are called legumes
Pea family
Leaves, stems, and flowers are a part of this system
Shoot
The food making "factory" within a plant
Chloroplast
This special type of leaf holds a vine upright by coiling around a support structure
Tendril
Scientific term for flowering seed plants
Angiosperm
A root system in which all of the leaves are about the same size
Fibrous
This is the storage compartment of a cell
vacuole
The type of bacteria that converts nitrogen from the atmosphere into nitrates
nitrogen-fixing bacteria
The process by which water vapor is lost from the leaves of plants
transpiration
The type of cell that controls the fkow of air and water into and out of a leaf
Guard cell
The creeping, aboveground stem of a grass plant
stolon
This main type of tissue is responisble for tissue repair and new growth
meristematic