Chapter 1: Q. 8 (page 7)
External fertilization occurs in which type of environment?
a. aquatic b. forested c. savanna d. steppe
Short Answer
The correct option is a. aquatic
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Chapter 1: Q. 8 (page 7)
External fertilization occurs in which type of environment?
a. aquatic b. forested c. savanna d. steppe
The correct option is a. aquatic
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The smallest unit of biological structure that meets the functional requirements of "living" is the _________
a. organ
b. organelle
c. cell
d. macromolecule
Which of the following statements about mechanoreceptors is false? a. Pacini corpuscles are found in both glabrous and hairy skin. b. Merkel’s disks are abundant on the fingertips and lips. c. Ruffini endings are encapsulated mechanoreceptors. d. Meissner’s corpuscles extend into the lower dermis.
Why might specialized organs have evolved for excretion of wastes?
Where are parasympathetic preganglionic cell bodies located?
a. cerebellum
b. brainstem
c. dorsal root ganglia
d. skin
Which immune cells bind MHC molecules on APCs via CD8 coreceptors on their cell surfaces?
a. TH cells
b. CTLs
c. mast cells
d. basophils
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