An arco book arco is a registered trademark of Thomson Learning, Inc., and is used herein under license by Peterson’s. About The Thomson Corporation and Peterson’s

(E) Detoxification
30. Which of the following pairs of organisms are
the least related?
(A) Squid – Octopus
(B) Crayfish – Shrimp
(C) Shark – Ray
(D) Sea lily – Iris
(E) Lemur – Monkey
31. Which of the following would be expected to
have the most stable ecosystem?
(A) Ocean floor beneath Antartic polar ice
(B) Pacific shore along California
(C) Subtropical forests of Africa
(D) Coniferous forest of North America
(E) Grasslands of Southwestern United
States
32. Sperm stored in the epididymis flow into what
immediate structure during copulation?
(A) Ureter
(B) Urethra
(C) Seminal vesicle
(D) Vas deferens
(E) Prostate
33. Carolus Linnaeus classified organisms accord-
ing to their
(A) evolutionary trends
(B) morphologic similarities
(C) ability to mate
(D) ability to produce viable offspring
(E) ecological interrelationships
34. Which of the following represents the most
likely succession of man?
(A) Homo erectus Australopithecus 
→
Homo habilis 
→ Homo sapiens
(B) Australopithecus Homo erectus 
→
Homo habilis 
→Homo sapiens
(C) Homo sapiens 
→ Australopithecus →
Homo erectus 
→ Homo habilis
(D) Australopithecus 
→ Homo habilis →
Homo erectus 
→ Homo sapiens
(E) Homo habilis 
→ Homo erectus →
Australopithecus 
→ Homo sapiens

---

Biology E/M Subject Test
257
ARCO
■ SAT II Subject Tests
w w w . p e t e r s o n s . c o m / a r c o
35. Hemoglobin is a protein that functions in the
transport of oxygen contained within red blood
cells. Hemoglobin has been shown to consist
of four independent polypeptide chains. The
manner in which these four chains interact to
form functional molecules is a characteristic
of hemoglobin’s