Which of the following is an example of a vestigial structure?
a. wings on a pigeon
b. wings on an insect
c. wings on an ostrich
d. wings on a bat
c. wings on an ostrich
Biology & Microbiology
You might also like to view...
The undulating membrane of Parabasala is used for ____
a. defensive purposes b. asexual reproduction c. structural support d. food absorption e. movement
Biology & Microbiology
Another name for high blood sugar is
a. diabetes 1. b. diabetes 2. c. hyperglycemia. d. hypoglycemia. e. anemia
Biology & Microbiology
Solenopsis invicta is a species of ant that was
introduced in the United States from
a. South America. b. Canada. c. Asia. d. Africa. e. Europe
Biology & Microbiology
Currently, the most effective method of birth control is:
a. spermicide. b. an IUD. c. injectable contraceptives. d. oral contraceptives. e. a condom.
Biology & Microbiology