What is an invertebrate chordate?
A) A chordate that has lost its gill slits
B) A chordate with an underdeveloped dorsal nerve system
C) A chordate that has lost its notochord
D) None of these choices
C
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Which term best explains the situation observed in nature where multiple organisms are consumed by a variety of organisms in a complex feeding network?
A. food web B. food gang C. food range D. consumer chain
What kind of sediments are igneous rocks associated with?
A) Terrigenous B) Biogenous C) Hydrogenous D) Cosmogenous
Multicellular, eukaryotic organisms that range in complexity from simple sponges to complex vertebrates belong to the kingdom ________
A) Animalia B) Fungi C) Archaebacteria D) Plantae E) Protista
Which of the following graphs is typical for the profile of a river?
A. A B. B C. C D. D