The wings of birds and insects share similar functions but evolved from different structures; therefore, these wings are said to be

A) homologous.
B) biramous.
C) uniramous.
D) analogous.
E) bipedal.


D

Biology & Microbiology

You might also like to view...

Which structure does NOT represent a mode of vegetative reproduction?  

A.  runners B.  rhizoids C.  adventitious plantlets D.  suckers E.  rhizomes F.  stolons

Biology & Microbiology

A common second messenger molecule is

a. a steroid compound. b. cyclic AMP. c. ADP. d. prostaglandin. e. intermedin.

Biology & Microbiology

Nuclear division in which the chromosome number is reduced from 2n to n is part of the lifecycle of all of the following organisms except

A. Molds B. Ferns C. Insects D. Bacteria E. Protozoans

Biology & Microbiology

The sequence of the coding strand of a DNA molecule (that is, the DNA strand that contains the codons specifying the protein sequence) is 5'-CGGATGCTTA-3'. What is the sequence of the RNA made from this DNA?

a. 5'-UAAGCAUCCG-3' b. 5'-CGGAUGCUUA-3' c. 5'-AUUCGUAGGC-3' d. 5'-GCCUACGAAU-3' e. 5'-TAAGCATCCG-3'

Biology & Microbiology