Tropical forests make up 6 percent of total land mass but contain an estimated ________ of all species on Earth.
A) 1 percent
B) 6 percent
C) 50 percent
D) 90 percent
Correct Answer:
Verified
Q13: What kind of trees dominate in ecosystems
Q14: A belt of coniferous forest,known as _
Q15: Native grasslands of North America,influenced by declining
Q16: A(n)_ is a biotic unit of plant
Q17: Decomposition rates in the tropical rain forest
Q19: Distribution patterns of biomes can be determined
Q20: Tropical rain forests are restricted primarily to
Q21: Fire in the taiga
A)damages trees,resulting in excessively
Q22: The dominant vegetation types in temperate shrublands
Q23: Savannas typically occur in
A)cold areas with little
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