Why has the spread of the herbicide-resistant hydrilla through florida's waterways resulted in them no longer being navigable by most boats? a. thy hydrilla has induced a drought that drained the waterways. b. the weed clogs propellers that boats use for propulsion. c. the sticky leaves of the weed hold boats in place. d. all of the above

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.