Just before a duckling was about to hatch, a dog came along and chased the female duck off of the nest. When the duckling hatched it saw the dog. When the dog moved away from the nest, the duckling followed the dog. This is an example of
A. ethology.
B. anthropomorphism.
C. imprinting.
D. a dumb duck.
C. imprinting.
Biology & Microbiology
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Bone and adipose are examples of __________
a. connective tissue b. muscle tissue c. organ systems d. cell types
Biology & Microbiology
In the Krebs cycle, citrate forms when combines with the two carbons of acetyl CoA.
A. oxygen B. a cytochrome C. pyruvate D. NADH E. oxaloacetate
Biology & Microbiology
The molecule that contains the information for making a cell's proteins and must replicate itself during cell division
A. DNA. B. ATP synthase. C. RNA. D. FAD. E. NAD.
Biology & Microbiology
The myelin sheath is formed by _______________, which wrap around the axons of some neurons.
a. cell bodies b. synapses This answer is incorrect. c. Schwann cells d. dendrites e. nodes of Ranvier
Biology & Microbiology