1. with antibiotic resistance rising, researchers are looking for ways to reduce use of these drugs. some cattle once fed antibiotic-laced food now get probiotic feed that can bolster populations of bacteria in the animal's gut. the idea is that if a large population of beneficial bacteria is in place, then harmful bacteria cannot become established or thrive. which ecological principle is guiding this practice?

Sugar + oxygen > carbon  dioxide + water + energy  c6h1206 + 6o2 > 6co2 +6h2o + energy  and the numbers after the element symbols are small.     

Telophase colchicine is a chemical obtained from plants that prevents the assembly of spindle fibers

Volcanoes make new rocks so not ahotspots are the the stuff that makes volcanoes mid atlantic ridge(mar cause i’m lazy) is a constructive plate boundary so it makes sense that new rocks would be found near it, also the mar is in the middle of the ocean so it fits the description deep ocean trench, umm, there’s no ocean trenches to where you’re goingso the mar is most likely the answeri wouldn’t trust me but hey why not