Compare two environments at 45° N latitude: environment A's altitude is 50 meters and environment B's altitude is 3000 meters. Which environment will support the greater level of species richness for mammals and birds?
A) Environment A will have the greater level of species richness.
B) Environment B will have the greater level of species richness.
C) Environments A and B will have the same species richness.
A
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Which of the following is an important feature of carbon and that makes life possible?
A. Carbon can form a maximum of 8 covalent bonds. B. Carbon can form a maximum of 6 covalent bonds. C. Carbon can form a maximum of 4 covalent bonds. D. Carbon can form a maximum of 2 covalent bonds. E. None of the choices are possible for carbon.
The rate at which producers convert solar energy into chemical energy is an ecosystem’s ____
a. standing crop biomass b. biogeochemical cycle c. net primary productivity d. efficiency e. gross primary productivity
Which of the following molecules has an enzymatic site that splits ATP during muscle contraction?
a. troponin b. myosin c. actin d. inositol triphosphate e. tropomyosin
An outcome of asexual reproduction is
A. reduced genetic diversity in the offspring. B. increased genetic diversity in the offspring. C. reduced ability to reproduce. D. new gene combinations in the offspring.