Which one of the following taxonomic categories is defined as a group of organisms that are capable of interbreeding and producing fertile offspring?
A) class
B) order
C) family
D) species
E) phylum
D
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Which one of the following is not an adaptation shown by modern birds?
A. a respiratory system that allows all of the air to pass through the lungs in one direction B. complete division of the heart into right and left halves C. endothermy D. wings and a long feathered tail E. modified beaks and feet to support feeding behavior
Where would you expect to find proteins responsible for controlling the substances that enter and leave mitochondria?
a. plasma membrane of the cell b. inner mitochondrial membrane
c. outer mitochondrial membrane d. nuclear membrane e. lysosomal membrane
Which organisms are used to make salt pickles?
A. Pediococcus cerevisiae and Lactobacillus plantarum B. Saccharomyces cerevisiae and Leuconostoc mesenteroides C. Leuconostoc mesenteroides and Spirulina D. Propionibacterium and Spirulina E. Streptococcus lactis and Lactobacillus
Which of the following BEST explains the findings that the nuclear DNA of house cats and African wild cats has a very high degree of similarity?
a) house cats and African wild cats are both members of the family felidae b) house cats and African wild cats share a recent common ancestor c) convergent molecular evolution has occurred d) divergent morphological evolution has occurred e) convergent morphological evolution has occurred