Recent data indicate what regarding forests in eastern North America?

A) a steady increase in forest since the late 1800s
B) no change over the past 200 years
C) no change in the past 50 years
D) a decline in forested area in the past 50 years


D

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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The complement pathway that is activated by binding of C3b to cell surfaces is the

A. classical pathway. B. alternate pathway. C. C3 pathway. D. mucociliary pathway.

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Lignified, tube-like structures that branch throughout the body of some plants, conducting water and

solutes, are called ____.

a. vascular tissues b. apical meristems c. root systems d. rhizomes e. shoot systems

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The major constituent of the ECM/basement membrane is _______

a. collagen b. keratin c. Vit B6 d. protein

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