Which of the following is the most likely way for bacteria and viruses to enter a water supply? a) increased photosynthesis releases bacteria and viruses. b) poor sanitation habits cause water to mix with sewage. c) water from a burst dam sweeps particulate matter into a nearby river. d) chemical fertilizers dumped into the water attract bacteria and viruses

What is the role of the phospholipid belayer in cellular transport in living cells

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species