Multiple Choice
All but one of these traits result from evolutionary responses of ancient ancestors to their physical and cultural environment. Choose the EXCEPTION.
A) high frequency of sickle hemoglobin
B) inherited blood disorders called thalassemia
C) increased hair loss with age
D) ability to digest lactose as adults
Correct Answer:

Verified
Correct Answer:
Verified
Q6: Most animals are _ and reproduce _.<br>A)haploid;
Q7: The stationary stage of the cnidarian life
Q8: All chordates have _.<br>A)a dorsal, hollow nerve
Q9: What name is given to the food-trapping
Q10: In the image, the segmented body of
Q12: The process of biological evolution often allows
Q13: Unique features of vertebrates include the presence
Q14: The phylogenetic tree indicates that _ are
Q15: Among vertebrates, the unique feature of lampreys
Q16: The common ancestor of all animals is