Robert Chambers, a Scottish geologist and author of Vestiges of the Natural History of Creation, is often overlooked for which very important contribution:
a. the theory of the inheritance of acquired characteristics
b. thinking of evolution in terms of populations not individuals
c. proposing the enormous influence of the environment on evolutionary change
d. All of the above
B
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Four of the five animals listed below are threatened or endangered. Select the exception
a. whooping crane b. sea otter c. sea urchin d. yellow-bellied glider e. Karner blue butterfly
All of the following may result from untreated diabetes mellitus EXCEPT which one?
A) neural disorders B) kidney failure C) blindness D) cardiovascular disorders E) increased susceptibility to cancer
Isotopes differ from each other with respect to the number of:
a. protons only. b. electrons only. c. neutrons only. d. both protons and electrons. e. both neutrons and protons.
A certain herbivore selectively destroys some types of plants on rangeland but not others. A have left the area, those tasty plants no longer grow on the plot of land, so we would say th duced there
A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate