Which of the following is not a land resource?
a. soil
b. iron
c. forests
d. the wind

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last