Fertile soils are found in
A) tropical forests and temperate grasslands.
B) temperate grasslands and coniferous forests.
C) deserts and tropical forests.
D) deserts and temperate grasslands.
D
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African river blindness is caused by a roundworm carried by biting black flies. When bitten by a fly, larval worms are passed through the wound. Inside a human body, the parasites cause skin problems and eventually blindness. Which type of species interaction is represented here?
A. parasitism B. predator-prey C. commensalism D. resource partitioning
Some desert animals are able to exist without drinking any water
Indicate whether the statement is true or false
Changing to a recycling and reuse economy will enable us to meet the needs of an ever-growing population indefinitely.
Answer the following statement true (T) or false (F)
Most of the water falling as precipitation flows to streams as surface run-off.
Answer the following statement true (T) or false (F)