Eight species of woodpeckers coexist in Oregon forests. All feed on insects and nest in hollow trees, but the details of their foraging behavior and nesting preferences vary. What does this best illustrate?
a. competition
b. social parasitism
c. predation
d. parasitoidism
e. resource partitioning
e
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A sorus is a cluster of ____
a. sporangia b. fronds c. strobili d. gametangia e. rhizomes
Which of the following is a J-shaped muscular sac that serves in the temporary storage of masticated food while digestive enzymes and HCl are released to digest proteins?
A) large intestines B) colon C) stomach D) esophagus
As the amount of substrate is increased in an enzyme-substrate reaction,
A. the amount of enzyme also increases proportionally. B. enzymes work faster. C. the amount of product increases. D. enzymes become denatured faster.
When you ride your bike to class, which area of the cerebrum are you using to move your leg muscles?
A) premotor cortex B) somatosensory C) thalamus D) corpus callosum