10 Questions
Which of the following is NOT a factor that differentiates animal body plans?
Grade of organization
What is the most important evolutionary event in geological history?
The Cambrian explosion
How many major phyla of living multicellular animals do zoologists recognize?
34
What is the basic uniformity of all life derived from?
Common ancestry
Which grade of organization is characteristic of unicellular organisms?
Protoplasmic
Which event is considered to be the most important evolutionary event in geological history?
The Cambrian explosion
What is the basic uniformity of all life derived from?
Common ancestry and similar cellular construction
How many major body plans evolved within a few million years?
34
What is the characteristic that differentiates animal body plans?
Number of body cavities
Which grade of organization is characteristic of unicellular organisms?
Protoplasmic
Test your knowledge on the architectural patterns of animals and their evolution! Explore the 34 major phyla recognized by zoologists and learn about the Cambrian explosion, a significant event in geological history. Discover how different body plans evolved through selection and adaptation processes.
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