Which of the following compose the majority of the ocean's zooplankton biomass?
A) Coccolithophores
B) Copepods
C) Ctenophores
D) Foraminifers
E) Radiolarians
B
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Of the following behaviors, the one that runs counter to the three principles of sustainability is
A. recycling of materials. B. reusing materials. C. producing and consuming anything people are willing to buy. D. initiating a tree planting drive in your community. E. relying more on renewable sources of energy.
On each figure use a blue pencil to draw in streams, using arrows to show the direction of stream flow. Note that there is a main stream in the valley and there are at least two tributary streams or creeks. How do the contour lines indicate the direction of flow?
What will be an ideal response?
Which of the following is true about biomes in general?
A) Because evolution occurs over millions of years, the boundaries between biomes can be considered to be static over our lifetimes.
B) Biome boundaries are abrupt, with very distinct differences in appearance from one side of the line to another.
C) Biogeographers disagree on how many biomes there are and which types of landscapes should be considered part of the same biome.
D) Biomes only exist over land areas.
Evaporites, formed from ___________, are important economically because they are often found at or above 97% purity and are __________.
A. igneous rocks; important due to their strength, lightness, and malleability B. metamorphic rocks; important due to their strength, lightness, and malleability C. sedimentary rocks; important due to their strength, lightness, and malleability D. igneous rocks; therefore concentrated in economically recoverable levels E. sedimentary rocks; therefore concentrated in economically recoverable levels