What organism provides pollinator ecosystem services?
a. Bees
b. Birds
c. Bats
d. All are pollinators
Answer: d. All are pollinators
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The thicker crust of mountains ____
A)sinks into thinner crust at depth B)floats on denser rock at depth C)is more dense than oceanic crust D)reduces faulting during orogeny E)is more dense than other continental crust
Volcanic ash is always injected into the upper atmosphere and therefore, does not immediately affect the area around the eruption
a. True b. False
Judge the following sentence according to the criteria given below: Buckshot barnacles can survive above the high tide shoreline BECAUSE they have a protective shell
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
MRSA is an example ofÂ
A. a highly toxic and bioaccumulating substance B. antibiotic resistant bacteria C. one of the many regulations that the EPA enforces D. Marine Response and Safety Association