Which of the following are miss-matched with their school of systematics?
A. cladistic systematics --shared derived characters
B. phenetic sytematics -- number of similarities
C. traditional systematics -- anatomy
D. Parsimony -- minimum number of similar characters
Ans: D. Parsimony -- minimum number of similar characters
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Which of the following classes is comprised of carnivorous predators that are able to extend their stomachs through their mouths to feed?
A) Ophiuroidea B) Holothuroidea C) Asteroidea D) Crinoidea E) Echinoidea
At the beginning of prophase I, a total of ________ molecules of DNA are contained in a developing human sperm cell
A) twice as many (as compared to mature sperm) B) half as many (as compared to somatic cells) C) 92 D) 23 E) 46
A transgenic animal is an animal
A) that is the first of its kind to bear a particular allele. B) in which a genetic defect has been corrected using recombinant DNA therapy. C) containing a gene from another organism, typically of another species. D) containing genes from three or more species.
Endospores
A) are bacterial reproductive structures. B) may be produced when nutrients are scarce. C) are produced by bacteria, algae, and fungi. D) are resistant to everything except radiation. E) can last for only about 10 years.