Chapter 7

What is plant taxonomy?

• Science of naming and classifying plants

• Relationship of organisms to each other and their environment

• The practice of garden cultivation and management

• Study of genes, genetic variation, and heredity in plants

Who was one of the first persons to categorize plants into groups?

• Aristotle

• Theophrastus

• Carl Von Linné

• Liberty Hyde Bailey

Which of the following describes the system used by Carolus Linnaeus for categorizing plants?

• Encouraged the use of plant growth habit to group plants

• Suggested the use of floral structures as the basis for categorization

• Recommended using leaf margins as the basis for classification

• Proposed using leaf arrangement as a way to sort plants

Which of the following problem(s) may result from using common names for plants?

• May lead to misidentification of a toxic plant

• They are restricted to the people of one language

• A person will have to learn many names for a single plant

• All of the above.

True or False? Floral characteristics are a key morphological features used to identify plants in the horticultural trade.

• True

• False

How have molecular techniques changed how plants can be identified?

• Revealed previously unknown evolutionary relationships between plants

• Show nano-sized morphological features of plants for classification

• Allow for easy, less labor-intensive means for cloning new plants

• All of the above.

What three categories are used to group all living organisms?

• Angiosperms, Gymnosperms, and Bryophytes

• Eubacteria, Archaea, and Eukaryotes

• Angiospermae, Gymnospermae, and Filicinae

• Rosaceae, Ulmaceae, and Moraceae

How many kingdoms are used in taxonomy?

• Three

• Four

• Six

• Eight

What are the four major groups of plants for the phylum rank?

• Mosses, ferns, conifers, flowering plants

• Bacteria, liverworts, mosses, and ferns

• Evergreen, deciduous, flowering, and nonflowering

• Nonvascular plants, seedless vascular plants, gymnosperms, and angiosperms

What are characteristics of a nonvascular plant such as moss?

• They lack a system for transporting water and nutrients

• They can survive in arid conditions

• They produce seeds

• Their roots take in water and nutrients from the soil