How does change to an ecosystem that results in succession benefit the ecosystem? a. it leads to an increased level of biodiversity b. it leads to decreased productivity c. it ends symbiosis between organisms d. it allows ecosystems to operate independently of each other

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

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

Several billion years ago which gas was the least prevailant in the atmosphere