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How Plants are Classified
History of Classification
Vascular and Nonvasuclar Plants
Seed Plants
Seedless Plants
100
How many plants have scientists identified?
More than 260,000
100
When did the classification of plants start?
More than 2,000 years ago
100
A plant that has tubelike cells
Vascular Plant
100
A beginning plant
Embryo
100
A large feathery leaf of a fern
Frond
200
A plant part that contains a beginning plant and stored food
Seed
200
Who first started classifying plants and animals?
Aristotle
200
A group of plants cells that form tubes through which food and water move
Vascular tissue
200
A flowering plant
Angiosperm
200
Clusters of reproductive cells on the underside of a frond
Sori
300
A seedless plant with tubelike cells that transport water
Fern
300
Who was Aristotle's student who listed the names of over 500 plants?
Theophrastus
300
A plant that does not have tubelike cells
Nonvascular Plant
300
A non flowering plant
Gymnosperm
300
The reproductive cell of seedless plants
Spore
400
A plant with no tubelike cells to transport water
Moss
400
What is the scientific name for the red maple tree?
Acer rubrum
400
Nonvascular plants must have constant contact with what?
water/moisture
400
What kind of plants are the largest king pf plants?
Seed plants
400
A plant part that has shoots above ground and roots below ground
Rhizome
500
About how many plants may exist?
1,000,000
500
When did Carolus Linnaeus develop a new system for classifying plants using their scientific name?
1753
500
Vascular means _____________ or ____________
Vessel or tube
500
What is the major group of seedless plants?
Conifers
500
How many species of mosses are there?
9,000