The goal in classifying organisms should be to create categories that reflect the evolutionary histories of organisms. What system would be best to use?
A) a three-kingdom classification system
B) a five-kingdom classification system
C) an eight-kingdom classification system
D) a system that uses as many kingdoms as necessary to be accurate
E) a system that returns to that used by Linnaeus
Ans: D) a system that uses as many kingdoms as necessary to be accurate
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________ are proteins associated with clathrin-coated vesicles that are involved in the binding of vesicles to specific receptors.
Fill in the blank(s) with the appropriate word(s).
Similarities at the neural circuit level between humans and ____ are easy to detect and therefore are
used in evolutionary studies examining the requirements for neural circuits.
a. rodents b. invertebrates c. fruit flies d. sea hares e. bees
During embryo development, the origin of muscle tissue is from the
A. endoderm. B. ectoderm. C. ectoderm or endoderm. D. mesoderm or ectoderm. E. mesoderm.
Why do many animals do most of their calling at dawn and dusk?
A. Imprinting behaviors are better received at those time. B. Animals preferentially mate at night. C. Air is less turbulent and carries sound better. D. Most predators are not active at those time. E. Pheromones are released at dawn and dusk.