The jaw structure of hominid fossils reveals two trends in hominid evolution. Which of the following best describes these trends?
A) As hominids evolved, their jaws became larger and the angle at which the jaw protrudes from the face increased.
B) As hominids evolved, their jaws became larger and the angle at which the jaw protrudes from the face decreased.
C) As hominids evolved, their jaws became smaller and the angle at which the jaw protrudes from the face decreased.
D) As hominids evolved, their jaws because smaller and the angle at which the jaw protrudes from the face increased
Ans: C) As hominids evolved, their jaws became smaller and the angle at which the jaw protrudes from the face decreased.
You might also like to view...
Blood agar plates are an example of ________ medium
A) differential B) selective C) reducing D) defined E) transport
Mitochondrial electron transport takes place ________.
A. on the outer mitochondrial membrane B. in the fluid matrix of the mitochondria C. on the inner mitochondrial membrane D. on the outer mitochondrial membrane and on the inner mitochondrial membrane
Destruction of the motor areas in the left cerebral
cortex results in the loss of a. sensation on the right side of the body. b. sensation on the left side of the body. c. voluntary movement on the left side of the body. d. voluntary movement on the right side of the body. e. involuntary control of the autonomic system.
Microorganisms play key roles in the cycling of important nutrients in plant nutrition, particularly those of
A) carbon. B) nitrogen. C) sulfur. D) carbon, nitrogen, and sulfur.