Which of the following was supported by the Yellowstone National Park experiment that involved wolves?
a. Restoring a keystone species can improve an area’s biodiversity.
b. Removing a predatory keystone species improves an area’s biodiversity.
c. The captive breeding of keystone species quickly restores biodiversity in an area.
d. Predatory keystone species are primarily responsible for an area’s limited biodiversity.
a. Restoring a keystone species can improve an area’s biodiversity.
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Woolly mammoths disappeared from North America during which extinction event?
a. end-Devonian extinction b. end-Cretaceous extinction c. Pleistocene extinction d. Holocene extinction
A reflex ____
a. only involves the use of sensory neurons b. is an automatic response to a stimulus that requires considerable thought c. is an automatic response to a stimulus that doesn't require thought d. is an involuntary response that requires only one neuron e. does not require the brain
Garlic mustard is an invasive plant species in North American temperate forests. Garlic mustard secretes an allelochemical that interferes with relationships between native tree roots and their mycorrhizal fungi. This would be an example of
A. interference competition. B. exploitative competition.
What is the role of ATP synthase?
A. It uses ATP to make glucose. B. It uses a proton gradient to make ATP. C. It uses ATP to make a proton gradient. D. It synthesizes ATP directly from glucose.