Kidneys are thought to have evolved first among the _____________.  

A.  saltwater bony fishes
B.  amphibians
C.  reptiles
D.  mammals
E.  freshwater bony fishes


E.  freshwater bony fishes

Biology & Microbiology

You might also like to view...

The proportion of the air we breathe accounted for by oxygen is approximately ___%.

A. 21 B. 1 C. 5 D. 50 E. 78

Biology & Microbiology

Structures that have similar structure and function but different evolutionary origins are called:

A. inherited. B. evolutionary modifications. C. analogous. D. homologous. E. uniform.

Biology & Microbiology

The speciation of cichlid fishes of the same African crater lake is an example of

a. divergence. b. parapatry. c. gene flow. d. allopatry. e. sympatry.

Biology & Microbiology

The endosymbiont hypothesis is supported by

the work of ____ on bacteria-infected Amoeba proteus. a. Stanley Miller b. Kwang Jeon c. Thomas Brock d. Lynn Margulis e. Australian researchers

Biology & Microbiology