Biotic factors are the living components of an ecosystem. They are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.
B. the fact that they breed plutonium when U-238 is converted to Pu-239
Answer:
Very Little Sunlight
Few Nutrients
Low temperatures
Explanation:
It was correct on the test.
3.) Testing multiple variables.