Biologists use nomenclature or the binomial to provide each species with a unique scientific name. Our species is called Homo sapiens. The first word refers to which taxonomical grouping?
A. Kingdom
B. Phylum
C. Order
D. Genus
E. Species
D. Genus
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The underlying phenomenon that makes selective breeding or artificial selection possible is genetic variation. It is possible to have phenotypic variation in natural populations because of....
A. artificial selection. B. gene inversion. C. differences in alleles for a specific trait. D. similarity in alleles for a specific trait. E. both artificial selection and gene inversion.
Match the term on the left with its definition or description on the right.
A) energy from carbon, carbon from sunlight B) electron donor is water C) energy from sunlight, carbon from organic sources D) electron donor is carbon dioxide E) energy from sunlight, carbon from CO2 F) light-dependent generation of NADPH G) use electron donors such as sulfide and thiosulfate 1) photoreduction 2) photoheterotrophs 3) photoautotrophs 4) oxygenic phototrophs 5) anoxygenic phototrophs
Identify several ways in which the study of hemoglobin variants led to an understanding of the molecular relationship
among genes, proteins, and human disease. What will be an ideal response?
The ___________________ propelled flowering plants to an explosive adaptive radiation.
a. colonization of the Galápagos Islands b. mass extinction of fern-like plants c. colonization of land d. evolutionary innovation of the flower e. evolutionary innovation of the leaf