In humans and some other vertebrates, the organ that collects sound and directs them to the auditory canal is called the ____.
A. auditory nerve
B. cochlea
C. eardrum
D. pinna
E. round window
Answer: D
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Which of the following is not an example of nonhuman culture?
A. birds learning from each other how to peck through aluminum caps of milk bottles B. adult meerkats teaching their young how handle their prey C. chimpanzees using tools to catch insects D. a Japanese baby learning how to speak Japanese E. None of the answer options is correct.
The Nernst equation is used to calculate the ____
a. action potential b. equilibrium potential c. membrane potential of a neuron at rest c d. membrane potential of a hyperpolarized neuron e. membrane potential of a depolarized neuron
Megaspores develop in the ____
a. gametophyte b. ovary c. ovule d. pollen grain e. zygote
The main storehouse for substances in sedimentary cycles is ____
a. oceans b. air c. Earth’s crust d. fresh water e. sand