Podcast
Questions and Answers
What marks the earliest fossil appearance of all major groups of living animals plus some groups that are only known from fossils?
What marks the earliest fossil appearance of all major groups of living animals plus some groups that are only known from fossils?
What is a group of animal species that share the same level of organizational complexity known as?
What is a group of animal species that share the same level of organizational complexity known as?
What are the grades of organization based on general features of morphology and development?
What are the grades of organization based on general features of morphology and development?
What are the major body plans known to have appeared during the Cambrian explosion?
What are the major body plans known to have appeared during the Cambrian explosion?
Signup and view all the answers
What characterizes a protoplasmic grade of organization?
What characterizes a protoplasmic grade of organization?
Signup and view all the answers
