A source of pollution that comes from one, identifiable place is what type of pollution?
1. Point source of pollution
2.Nonpoint source of pollution

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

Aplant may open end close its stomata to prevent excess water loss and maintain

Describe the two types of vascular tissue