The Network of Ecosystem Warming Studies provides evidence that as a result of climate change
A) net nitrogen mineralization has increased.
B) soil respiration has decreased.
C) plant productivity has decreased.
D) their sites have warmed by at least 7°C.
A
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Proteins known as chaperones are found only in Bacteria
Indicate whether the statement is true or false.
The cytoskeleton
A. helps maintain cell shape. B. anchors organelles. C. provides architectural support. D. functions in movements of the cytoplasm. E. All of the choices are correct.
Which of the following is true of movement
through the phloem?
a. movement through phloem is through live cells b. movement between sieve tube members is via plasmodesmata c. movement through the phloem is not necessarily up d. the phloem cells through which movement occurs are non-nuclear e. all of these are true about movement through the phloem
How many ventricles does the human brain have?
A. 5 B. 4 C. 2 D. 10