Multiple Choice
Tropical rain forests cover about ____ of the earth's surface,but contain at least ____ of the known terrestrial plant and animal species.
A) 2%;50%
B) 10%;50%
C) 2%;20%
D) 30%;30%
E) 50%;50%
Correct Answer:

Verified
Correct Answer:
Verified
Q80: Oak,hickory,maple,aspen and birch are best associated with
Q81: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7609/.jpg" alt=" Use the figure
Q82: Approximately _% of the world's major terrestrial
Q83: Thick,spongy mats of low-growing plants,primarily grasses,mosses,and lichens,are
Q84: Using the environmental factors of moisture and
Q86: "Widely scattered clumps of trees,warm temperatures year-round,and
Q87: Which type of desert would have high
Q88: The El Niño Southern Oscillation changes the
Q89: Desert ecosystem soils take decades to hundreds
Q90: About _ percent of the world's major