What are the independent lines of evidence that indicate cetaceans evolved from four-legged land mammals?
A. Fossil evidence
B. DNA similarity
C. Comparative anatomy
D. Embryology
E. A, B and D
F. A, C and D
G. All of the above
H. None of the above
Ans: G. All of the above
You might also like to view...
Which is a factor in determining which plant type becomes the pioneer species in a primary succession event?
a. the species of plants that preceded it b. the animals that occupy the area c. chance events that affect the order in which pioneer species arrive d. the nature of the existing soils e. the type of disturbance
A eukaryotic cell is found to have a nuclear membrane that allows tRNA molecules, but not mRNA molecules, to leave the nucleus. Which of the following processes will NOT be able to take place in this cell?
a. DNA replication b. tRNAs binding to codons c. RNA being made from DNA d. tRNAs binding to amino acids
Water is an end product in
A.) lactic acid fermentation. B.) alcoholic fermentation. C.) the Krebs cycle. D.) the electron transport chain in aerobic respiration.
Biodiversity hotspots, not surprisingly, tend to have above-average densities of human populations combined with high human population growth rates.
a. true b. false