Evolution two-
Chapter 15 Notes
Evolution
Ch15,16,17 evolution2ppt
Cartilaginous Fishes Cartilaginous fishes (Chondrichthyes) have a skeleton made not of bone, but of cartilage, which is lighter and more flexible than.
Summary of Darwin’s Theory 1. Organisms differ; variation is inherited 2. Organisms produce more offspring than survive 3. Organisms compete for resources.
How do organisms adapt and change over time? What makes this flounder fish so unusual? And, how did it get this way?
Population change over time. “Evolution” means change over time. The “Theory of Evolution” says: – Living things on Earth have changed over time. – Many.
Individual organisms differ, and some of this variation is heritable Organisms produce more offspring than can survive, and many that do survive do.
Cartilaginous Fishes
The Theory of Evolution by Natural Selection
Evolution – Just A Theory?. Who’s the man? Charles Darwin Born 1809, 5 th son of wealthy physician Studied medicine and natural history in Edinburgh Studied.
