How many of the following statements about craniates is (are) correct?
1. Craniates are more highly cephalized than are noncraniates.
2. Craniates' genomic evolution includes duplication of clusters of genes that code for transcription factors.
3. The craniate clade is synonymous with the vertebrate clade.
4. Pharyngeal slits that play important roles in gas exchange originated in craniates.
5. The two-chambered heart originated with the early craniates.
A) one of these
B) two of these
C) three of these
D) four of these
E) five of these
The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Correct position when lifting a heavy object off the floor.
How lenses correct visual problems: (A) emmetropia; (B) myopia; (C) hyperopia; (D) corrected myopia; ...
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
Correct alignment for stacking the joints to apply thumb pressure to acupoints.
Examples of Mission Statements