Which of the following would be included in public health? -purifying water with chlorine to kill disease-causing bacteria species
-reducing water pollution to protect an endangered fish species
-providing water and wetland habitats necessary for many frog species
-removing solid waste from water to prevent killing marine bird species

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

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

How do cells grow and reproduce to maintain homeostasis?