Which of the following arthropod groups is almost exclusively aquatic in habitat?
A. Arachnida
B. Crustacea
C. Insecta
D. Chilopoda
E. Diplopoda
B
You might also like to view...
Eukaryotic cell membranes use many sterol molecules for construction, which contrasts with archaeal membranes that utilize ________.
Fill in the blank(s) with the appropriate word(s).
The atomic number of an element is equal to the number of:
A. protons plus neutrons. B. neutrons plus electrons. C. neutrons only. D. protons only. E. protons plus electrons.
What are the correct order of the basic steps of the scientific method?
a. observe --> hypothesize--> predict --> experiment --> interpret b. predict --> hypothesize --> experiment --> observe --> interpret
c. hypothesize --> observe --> predict --> experiment --> interpret d. observe --> predict --> hypothesize --> experiment --> interpret e. hypothesize --> predict --> experiment --> observe --> interpret
The discovery of a coelacanth in South Africa in 1938 was surprising to biologists because it
A) was thought to be extinct. B) was a newly evolved species. C) represents a transition between two major groups of fishes. D) is the first species to have made the transition to land. E) has not evolved for more than 80 million years.