Flashcards in Unit 7- Chapters 20, 21, 22 Deck (67):
Produce their own food through photosynthesis
Adapted to life on land
A waxy waterproof layer helps hold in moosture
Tiny holes in the cuticle
A collection of specialized tissues that bring water and mineral nutrients up from the roots and disperse sugars down from the leaves
Hardens the cell walls of some vascular tissues
Two-celled structure that contains a cell that will divide to form sperm
A storage device for a plant embryo
Land plants evolved from...
Plants have adaptions that allow them...
...to live on land
Plants evolve with...
...other organisms in their environment
Mosses and their relatives are...
...seedless nonvascular plants
Club mosses and ferns are...
...seedless vascular plants
Seed plants include...
...cone-bearing plants and flowering plants
Occurs when pollen meets female reproductive parts of the same plant species
A seed plant whose seeds are not enclosed in fruit
A seed plant that has seeds enclosed in some type of fruit
The reproductive structure of most gymnosperms
The reproductive structure of flowering plants
The mature ovary of a flower
Flowering plants have unique...
...adaptations that allow them to dominate in today's world
Botanists classify flowering plants into...
...two groups based on seed type
Flowering plants are also categorized by...
...stem type and lifespan
An embryonic leaf inside a seed
A flowering plant whose embryos have one seed leaf
Flowering plants whose embryos have two seed leaves
a fibrous material made up pf dead cells that are part of the vascular system
Mature from seeds
And die in one year
Flowering plants that take two years to complete their life cycle
Any flowering plant that lives for more than two years
...stable food supplies for people in permanent settlements
Plant products are...
...important economic resources
Plant compounds are essential to...
...to modern medicine
The study of plants
Explores how people in different cultures use plants
The study of drugs and their effects on the body
Potent plant chemicals that contain
Most common type of cell
Stores starch oils and water
Thin walls and large fluid filled vacuoles
Plant tissues are made of...
...three basic cell types
Plant organs are made of...
...three tissue systems
Cell walls that vary in cell wall thickness
Provide flexible support
Strongest plant cell
Have a second cell wall made of lignin
Covers the outside of a plant
Makes up inside of plant
Transports water, mineral nutrients, and organic compounds to all parts of a plant
The vascular tissue that carriers water and dissolved mineral nutrients upward
The vascular tissue that carries the products of photosynthesis through the plant
Water and dissolved minerals move...
...sugars from photosynthesis throughout the plant
Proposes that the physical properties of water allow the rise of water through a plant
Loss of water vapor from plants
A theory that explains how food, or sap, moves through a plant
...anchor plants and absorb mineral nutrients from soil
...support plants, transport materials, and provide storage
Made up of xylem and phloem
In center of root
Tiny projections of root cells
A small cone of cells that protects the growing part of the root as it pushes through the soil
Groups if cells that are the source of new cells
Make up fine branches in which most of the roots are the same size
Systems of roots that have a long, thick, vertical root with smaller branches
Makes stems grow taller or roots grow longer
Adds to the width in the stems and roots of woody plants
Most leaves have...
...share similar structures
Most leaves are...
...specialized systems for photosynthesis
Usually broad and flat
Collects sunlight for plant
Thin stalk that connects the blade to the stem
Parenchyma tissue between the two dermal layers of a leaf