Explain the process of soil formation by weathering. What will be an ideal response?
Concepts to Consider: Rocks are subject to climate and organisms. Organisms produce
acids that create fissures in rock surfaces. Water seeps in, freezes, and thaws, causing cracks
to enlarge and pieces of rock to break off. Plants root in larger cracks, further breaking the
rock. Slopes also cause soil and rock to be eroded.
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The teacher was unaware of the difference between suspension feeding and predation. The teacher thought that providing live copepods (2 mm long) and feeder fish (2 cm long) would satisfy the dietary needs of all of the organisms
Consequently, which two organisms would have been among the first to starve to death (assuming they lack photosynthetic endosymbionts)? A) sponges and corals B) sea stars and sponges C) shrimp and bivalves D) bivalves and sponges
The voyages of Captain Cook provided which of the following?
A) Soundings of the deep sea B) Reliable navigational charts C) The first exploration of northern polar regions D) An explanation for the formation of atolls.
What type of survivorship curve is typical of many oyster species?
A. type I B. type II C. type III D. None of these are correct.
Why is agar a useful substance in the microbiology lab?
a) agar dissolves in water at about 60 C b) Agar does not solidify until it cools to about 40 C c) Agar is a good source of nutrients for microbes d) Solid agar melts at temperatures about 40 C