According to Dr. Losos, the independent evolution of similar species on the different islands is an example of which of the following processes? "

A. Reproductive isolation
B. Sexual selection
C. Convergent evolution
D. Disruptive equilibrium


Answer: C. Convergent evolution

Biology & Microbiology

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The algae used to make sushi rolls are classified as ____

a. bacteria b. animals c. plants d. fungi e. protists

Biology & Microbiology

To inherit an autosomal dominant disorder a person could receive the disease causing allele from

a) the father only, not the mother. b) the mother only, not the father. c) the mother or the father. d) the parent who does not exhibit the disease. e) All answers are correct.

Biology & Microbiology

Four of the following will stimulate the production of males in water fleas. Which one is the exception?

A. Spring B. Warm water C. Salty water D. High competition for resources E. Crowding

Biology & Microbiology

Molecular-based phylogies place the phylum Platyhelminthes in the Protostomia. How do scientists best explain the morphological differences between flatworms and the other members of the Lophotrochozoa?

A. Modern Platyhelminthes do not have a coelom but did originate from an ancestor that had one. B. The Platyhelminthes clade separated from other clades before coeloms evolved and consequently Platyhelminthes have never had a coelom. C. Platyhelminthes evolved from an ancestor without a coelom but developed one during the course of their evolution. D. Some Platyhelminthes have a coelom but others do not and it is difficult to conclude anything about its evolution within the clade. E. Platyhelminthes originated from ancestors with a coelom and have retained it to the present time.

Biology & Microbiology