A tadpole is a(n)
A) amphibian.
B) invertebrate chordate.
C) jawless fish.
D) bony fish.
E) cartilaginous fish.
A
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Natural selection acts on ________, and ________ evolve.
A. individuals; populations B. populations; individuals C. individuals; individuals D. populations; populations
What regulates blood flow through a capillary bed?
a. arteriole flow b. venule flow c. heart rate d. precapillary sphincter status e. amount of salt in the blood
Which statement regarding the brain is true?
A) Ventricles in the brain are filled with interstitial fluid. B) The blood-brain barrier helps to maintain a stable chemical environment for the brain. C) Layers of connective tissue, called epithelium, surround and protect the brain and spinal cord. D) White matter is composed of mainly dendrites.
Compare and contrast dermatophytosis and pityriasis
What will be an ideal response?