All of the following are adaptations of tuna for fast swimming except:
a. warmer than ambient body temperature.
b. retractable pectoral fins.
c. rounded tail.
d. operculum that lies tightly against the body.
e. sickle-shaped tail.
C
You might also like to view...
Metamerism is:
A. the division of the body into segments B. the fusion of body parts C. shedding of the skin D. formation of the germ layers in early development E. the first cellular division following fertilization
Lipids, like nucleic acids and proteins, are made of strings of similar subunits
Indicate whether this statement is true or false.
The distribution of cytoplasm to daughter cells is accomplished during
a. prokaryotic fission. b. mitosis. c. meiosis. d. cytokinesis. e. karyokinesis.
Horseshoe crabs have lived in the earth’s oceans for ____ years
a. about 4 thousand b. close to 400 thousand c. less than 40 million
d. over 400 million e. over 4 billion