Classification of Plants
Plants can be split into 2 basic groups, what are their scientific names?
bryophytes
tracheophytes
What are the 2 kinds of leaves
Simple and Compound
What makes a leaf green?
The chlorophyll in their chloroplasts
Name the two types of root systems
Fibrous & Taproot
What are the types of stems?
woody and herbaceous
A life cycle in which there is both a multicellular diploid Forman a multicellular haploid form
What are the parts of a leaf?
Blade, Petiole, Stipule
What is a plant that loses its leaves for the winter called?
Deciduous Plant
What are the 3 functions fo roots?
-absorb water & nutrients
-anchor plant
-food storage
What are the 3 basic functions of stems?
-support and manufacture leaves
-conduct water and nutrients to and from leaves
-photosynthesis
What is the specific dominant generation for a moss?
the Gametophyte
What 3 characteristics of leaved are used to classify the plant?
Shape, Margin, Venation
Why is the top of a leaf typically darker than the bottom?
The top has the palisade mesophyll
Where does most of the growth of a root take place?
Meristematic Region
How is the location of xylem and phloem different in woody vs. herbaceous stems?
In a woody stem phloem is near the outside of the stem and the xylem is near the inner part
What is the haploid gametophyte generation of a fern called?
a prothallus
Name 4 leaf Shapes
Linear, elliptical, oval, deltoid, cordate, orbicular, lobed, cleft, needlelike, scale like
What 3 things does the epidermis do?
1. outer layer of cells that provides protection
2. covers top & bottom of leaf
3. secretes a waxy substance (cuticle)
What is the Endodermis?
One cell thick later towards the center of the root surrounding the vascular chamber
What does the bark allow a woody stem continue to do?
It allows it to continue to grow. (If a herbaceous stem grows too much, the epidermis cracks, exposing the inner parts of the stem to the environment.)
Monocotyledonae and Dicotyledonae
What are leaf veins composed of?
Xylem & Phloem
What do Guard Cells do and what controls them? (2 parts)
-help open and close the stoma
-controlled by the level of light
What are the 4 regions of a Root?
-Root Cap
-Meristematic Region
-Elongation Region
-Maturation Region
What affect do the seasons have on the growth of woody stems?
Xylem production which results in annual growth rings