True or false: Predator/prey relationships are always linear, with one species affecting only one other in the community
A. true
B. false
B
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You decide to study two species of birds, both of which form monogamous pairs (one male and one female). In species 1, you find that the eggs in a pair's nest are in fact almost always the offspring of that pair
In species 2, you are surprised to find that many of the eggs in a nest were actually fathered by males of neighboring pairs. Apparently, mating outside of monogamous pairings is widespread in species 2. Given this information, what would be the logical prediction to make before comparing testes size of males of the two species? A) Testes of species 1 are larger than testes of species 2. B) Testes of species 2 are larger than testes of species 1. C) There is no relationship between this observation and the size of testes.
Nitrification
a. converts ammonium into nitrates. b. reduces nitrates to nitrites. c. converts nitrogenous compounds into free nitrogen. d. converts atmospheric nitrogen to ammonia. e. reduces ammonia to ammonium
Meiosis II in the oocyte is completed ____
a. just prior to ovulation b. just after ovulation c. after fertilization d. at cycle day 1 e. at cycle day 28
With what other idea of his time was Cuvier's theory of catastrophism most in conflict?
A) the scala naturae B) the fixity of species C) island biogeography D) uniformitarianism