Divisions of the Plant Kingdoms
How do nonvascular plants obtain water and nutrients?
By absorbing them from the environment
In non-vascular plants, what structure resembles the roots?
Rhizoids
What is an above ground stem where at certain points leaves and shoots are produced? An example is a strawberry.
A stolon or runner
Transpiration lowers the pressure of water in the xylem, creating an empty space (vacuum) that causes the water to do what?
water is drawn upward in the plant
What is the name of the pigment that absorbs sunlight and helps the plant to produce energy?
Chlorophyll
Which of the following plant division has trees with needle like leaves?
Gymnosperms or Conifers
What region of the root is sued to increase absorption of water.
Root hairs
What is an underground stem that is used for storage such as a potato?
Tuber
In the pressure flow model what is the name of the location where there is a higher concentration of sugar and the name where there is a lower concentration of sugar?
Source (higher concentration)
Sink (lower concentration)
What structure in the plant cell contains lignin that helps the plant to stand upright?
cell wall
What types of plants produce seeds with fruit?
Angiosperms
What is the region of cells capable of cell division just behind the root tip?
Meristem
What is an underground stem, that sends out shoots and roots at certain nodes? An example is ginger.
Rhizome
In the pressure flow model water moves into the phloem by this mechanism in order to create a pressure that pushes the sap from the source to the sink.
osmosis
What is the name of a plant that lives more than 2 years?
Perennial
What division of plants have large leaves called fronds, are seedless and have a vascular system?
Ferns
What type of roots are found in monocots?
Fibrous Roots
What is the darker colored wood in a cross section of a tree that is non functional?
heartwood
Water absorbs at the roots, adheres to the sides of the xylem, and then flows from an area of high to low concentration, and finally is transpired out the leaves.
Cohesion-tension theory
What type of tissue moves water and minerals from the roots to the stems and leaves?
Xylem
What are the 3 divisions of nonvascular plants?
Hornworts, liverworts, and mosses.
What type of roots are found in dicots?
Taproot
What is the lighter colored wood in the cross section of a tree that contains the xylem and phloem?
Sapwood
What are cells that lack a nuclei at maturity and have holes in their cell walls that allow sap to flow through the plant?
Sieve tube cells
What type of material moves sugars from the leaves to the rest of the plant?
Phloem