Organisms that depend on the energy stored in chemical bonds by other organisms for their food energy are called ________.
A. autotrophs
B. oligotrophs
C. chemotrophs
D. heterotrophs
Answer: D
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The ingestion of which plant can cause yellow vision?
A. Peach pits B. Jimsonweed C. Morning glory D. Lily of the valley
The division of the lateral meristem
a. results in the production of primary tissue. b. causes an increase in the length of roots. c. produces floral tissue. d. gives rise to the epidermis. e. increases the diameter of roots and stems.
For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the _____
A) depolarization of the neuron B) hyperpolarization of the neuron C) replacement of potassium ions with sodium ions D) replacement of potassium ions with calcium ions
Figure 23.12
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The structure labeled "2" in the figure is a(n) ____.
A. mycelium B. zygote C. ascus D. gill from the underside of a mushroom E. spore sac