Coccolithophores and foraminiferans both use ________ to form their exoskeletons
A) Si4+
B) Fe3+
C) Ca2+
D) HPO4-
Answer: C
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Finding a very large crater in the Gulf of Mexico
provided support for the a. gradual model of speciation. b. central dogma. c. biological species concept. d. K-T asteroid impact theory. e. cell theory.
What is synthesis of RNA from a DNA template called?
A) Transformation B) Reverse transcription C) Transcription D) Translation E) None of these choices
What is one advantage to using cladistics rather than phylogenetic systematics?
What will be an ideal response?