Podcast
Questions and Answers
What are the two factors that contribute to evolution?
What are the two factors that contribute to evolution?
- Speciation and genetic recombination
- Selection and adaptation
- Function and biological role (correct)
- Mutation and genetic drift
What is preadaptation?
What is preadaptation?
- The process of adapting after a change in the environment
- Possessing adaptations for a different purpose than the one they are currently serving (correct)
- Adapting solely based on genetic mutations
- The inability to adapt to a changing environment
What are three ways to study and categorize organisms using similarity?
What are three ways to study and categorize organisms using similarity?
- Ontogeny, paleontology, genetics
- Ecology, behavior, reproduction
- Phylogeny, biogeography, taxonomy
- Homology, analogy, homoplasy (correct)
What are the Chordate 5 characteristics shared by all chordates at some point in their life cycle?
What are the Chordate 5 characteristics shared by all chordates at some point in their life cycle?
What bones are located in the mandibular symphysis?
What bones are located in the mandibular symphysis?
How do we believe the dermatocranium formed when transitioning from the outer bony armor of the ostracoderms to the endoskeletal dermatocranium?
How do we believe the dermatocranium formed when transitioning from the outer bony armor of the ostracoderms to the endoskeletal dermatocranium?
Where would you expect to find the premaxilla and maxilla bones in the dermatocranium?
Where would you expect to find the premaxilla and maxilla bones in the dermatocranium?
What is the function of the otic capsule in higher modern vertebrates?
What is the function of the otic capsule in higher modern vertebrates?
What new bones/structures arose anteriorly in the actinopterygians, near the nasal cavity?
What new bones/structures arose anteriorly in the actinopterygians, near the nasal cavity?
What happened to the skull bones between fish and tetrapods that reduced snout mobility?
What happened to the skull bones between fish and tetrapods that reduced snout mobility?
