In California, a species of salamanders were geographically separated over time. The group that lived in southern California relied heavily on large gold blotches on their skin that helped to camouflage them from predators. The group that lived along the coast adopted a color pattern that mimicked a poisonous, colorful newt common to that area. Instead of being camouflaged, these salamanders
advertised their colors. What type of selection process has occurred over time?
A. theoretical selection
B. artificial selection
C. experimental selection
D. natural selection
D. natural selection
You might also like to view...
Syndesmoses
What will be an ideal response?
Which Lophotrochozoan phylum contains the most species, with about 100 000 described living species?
a. Nemertea b. Mollusca c. Annelida d. Rotifera
A young scientist has discovered a new species of grub worm in the Amazon. He would like to explore the possibility that in this grub worm the codon CUC is the start codon and codes for methionine, not leucine as it does in other worms. To date, he has been unable to get his research funded, most likely because
A) worms have been extensively studied and their genomes are simple. B) worms do not contain homologous genes to humans. C) codons are generally the same in all worms. D) the genetic code is universal to all species. E) worms are difficult to maintain in the laboratory.
Auxins primarily flow downward in shoots and roots and this transport is called
A. nonpolar. B. dipolar. C. polar. D. bipolar. E. tripolar.