To which one of the following is the bat's wing NOT homologous?
a. the human's arm
b. the bird's wing
c. the dragonfly's wing
d. the whale's flipper
e. the lion's foreleg
Ans: c. the dragonfly's wing
You might also like to view...
Diatoms are a type of algae, but with a hard silica shell. Which of the following structures would you expect to find directly underneath the silica shell?
A. a chloroplast B. a mitochondrion C. a nucleus D. a cell wall E. a plasma membrane
Matter and energy flow through the biosphere. The flow of matter, however, differs from the flow of energy. Which of the following statements accurately describes these differences?
A) Matter flows in cycles, whereas energy flows in one direction. B) Matter does not accompany energy as it enters the biosphere, but it does flow with energy from the biosphere. C) Energy flows from chemotrophs to phototrophs, whereas matter flows from phototrophs to chemotrophs. D) Energy flows as organic molecules are reduced to inorganic molecules, but matter does not. E) Matter and energy flow sometimes in cycles and sometimes unidirectionally.
How many different aminoacyl-tRNA synthetases can be found in a given cell?
What will be an ideal response?
In theory, individuals with advantageous traits are more likely to reproduce
Indicate whether the statement is true or false