Excretory organs known as Malpighian tubules are present in _____
A) earthworms
B) flatworms
C) insects
D) jellyfish
E) sea stars
Answer: C
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All EXCEPT which of the following
statements about Neanderthals is true? a. Neanderthals diverged from modern humans around 500,000 years ago. b. They lived in Europe and the Near East. c. Neanderthals are direct ancestors of Homo sapiens. d. Neanderthals brains were larger than those of modern humans. e. They have no modern descendents.
Which test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?
A. Quellung test B. Radioimmunoassay (RIA) C. Ouchterlony double diffusion D. Immunelectrophoresis E. Western blot
Two similar species with different habitat preferences are isolated by ____ isolation.
A. reproductive B. ecological C. behavioral D. seasonal
Historically, most classification has been based on ________ similarity
Fill in the blank(s) with correct word