Which of the following groups of animals is NOT completely extinct?
A. Ostracoderms
B. Acanthodii
C. Placodermi
D. Acanthostega
E. Coelocanth
E. Coelocanth
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Microphylls evolved from stem branches
____________________ Indicate whether the statement is true or false.
The nonfunctional form of a gene is called a wild-type allele
Indicate whether the statement is true or false
A cell biologist has developed a new drug that blocks vesicle transport at the cis face of the Golgi apparatus. What will this drug prevent from happening inside a cell?
A. The movement of vesicles from mitochondria to the Golgi apparatus. B. The synthesis of proteins or lipids on the endoplasmic reticulum. C. The movement of materials from the Golgi apparatus to the plasma membrane. D. The movement of the lipids and proteins from the endoplasmic reticulum to the Golgi apparatus.
The degree of parental investment required often results in the nonrandom mating behavior called ________.
A. fidelity B. allopatry C. mate choice D. preferability