Darwin's Principle That All Animals' Nervous Systems Evolved from That

question 13

Multiple Choice

Darwin's principle that all animals' nervous systems evolved from that of a common ancestor predicted that:

• A) all living things can in theory be traced back to the same ancient unknown ancestor.
• B) over time, nervous systems have come to have increasingly more in common at the neural level.
• C) functionally different structures in different species share common ancestral genes and mechanisms.
• D) brain-behavior relationships have remained largely unchanged during the course of evolution.