Platyhelminthes exhibit which of the following lifestyles?
A) Free-living
B) Free-living and ectoparasitic
C) Ectoparasitic and endoparasitic
D) Free-living, ectoparasitic, and endoparasitic
Answer: D
Anatomy & Physiology
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Indicate whether the statement is true or false
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What are active-transport mechanisms commonly called?
a. bridges b. pumps c. couriers d. funnels e. engines
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From proximal to distal, what bones form the upper limb? 1. carpals 2. humerus 3. metacarpals 4. phalanges 5. ulna and radius
A) 2, 5, 1, 3, 4 B) 5, 2, 1, 3, 4 C) 2, 5, 1, 4, 3 D) 2, 5, 4, 3, 1
Anatomy & Physiology
Isotopes of an element differ in the number of
A) protons in the nucleus. B) electrons in the nucleus. C) neutrons in the nucleus. D) electron clouds. E) electrons in energy shells.
Anatomy & Physiology