In order to produce yoghurt, lactobacillus strains are used: they metabolize milk sugar to lactic acid that makes the milk protein curd, gives yoghurt its sour-refreshing taste, and keeps other critters at bay due to its acidity. what was the original ecology of lactobacillus?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Moving down the ramp from 6 meters to

Pulmonary arteries carry highly oxygenated blood. true or false?