A single litterbag with poplar leaf litter has been placed on the forest floor at Coweeta. This bag was harvested and arthropods extracted from it. The sample contains mainly springtails, oribatid mites, predatory mesostigmatid mites, pseudoscorpions, and small spiders. At which stage of decomposition is the leaf litter in this litterbag when it was harvested? a. Fresh
b. Early
c. Mid
d. Late

What does resonance result in? quieter sounds frequency amplitude louder sounds

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

Which of th following is needed for cellular respiration to occur