Which type of organism developed first?
A. Chordates
B. Vertebrates
C. Deuterostomes
D. Sponges

What drives an advertising campaign?

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

In general, are there any major differences that you can see? explain