We eat food for energy. plants provide energy for any animals. one important part of this food chain is missing: the source of energy for the plants. what is missing?

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

Rotenone is an insecticide that is toxic

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen