The film discusses the characteristics and classifications of chordates, a group of animals that includes vertebrates and some simpler forms. Key features of chordates include a pharyngeal breathing ...

Q: Have any modern animals adapted to human activity through natural selection? Mike Anglin | Dallas, Texas Human-caused factors have led to anatomical changes in both vertebrates and invertebrates.

A new exhibit at Butterfly Pavilion offers insight into the evolution of its invertebrate residents, as well as humans and other vertebrates. For millions of years, Earth was home to single-celled ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When French biologist Jean-Baptiste Lamarck set out to categorize ...