Craniates are chordates that all possess
A) a head.
B) jaws.
C) a vertebral column.
D) amniotic eggs.
Answer: A
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In a chloroplast, there is an outer and an inner membrane. The inner membrane encloses a fluid filled
region called the:a. grana. b. thylakoid. c. stroma. d. pigment. e. electron acceptor
The process of morphogenesis:
A: must come before differentiation. B: is the process by which different cell types arise. C: is the increase in body size. D: sets the developmental fate of a cell. E: is the shaping of differentiated cells into the multicellular body and its organs.
The primary agents of air pollution that affect exercise performance are ozone and nitrogen.
a. true b. false
Scientists who have a financial stake in a company are now required to state that when they do research. This is an example of
A. a biotechnology revolution. B. statistical significance. C. financial planning. D. ethics in science. E. a new business model.