Based on Embryo Studies, Blood Proteins, and Biochemistry of Muscle

Q34: There is no evidence in the geologic

Q35: At the end of the Paleozoic era,

Q36: Plants are divided into which two major

Q37: What was the evolutionary advantage of having

Q38: Organisms with endo- or exoskeletons usually have

Q40: What characteristic did the earliest fish have?<br>A)armored

Q41: _ were warm-blooded, so they were able

Q42: Trilobites are common organisms in aquaria today.

Q43: The earliest vascular land plants were characterized

Q44: _ evolved in response to the need