Which statement least characterizes laboratory research?
a. It allows measurement of model ecosystems and populations under controlled conditions.
b. It is faster than similar field research.
c. It is less costly than similar field research.
d. It has been used to develop most of our knowledge about ecosystems.
e. It has supplemented field research since the 1960's.
D
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This cloud sometimes produces "mare's tails"
cirrostratus cumulonibus altostratus cirrus
The ___________________ is the coniferous forest that covers much of the subarctic climate of Russia
Fill in the blank(s) with correct word
If a back-arc basin is a region related to a subduction zone, how can such an extensional basin form near a boundary defined by compression?
A) Trench rolls back as the old, dense subducting plate sinks. B) Compression ceases before extension takes over. C) Rising magma is softening the crust, allowing it to stretch. D) A plate subducting at an extremely shallow angle is pushing against the back-arc region.
What class is comprised of nautiluses, octopuses, and squid?
A) Cephalopoda B) Bivalia C) Gastropoda D) Mollusca