How are taxonomic keys used? (20 points!!)

Which hotel do you think is most likely to move ahead in market competition? a. a hotel that provides basic amenitiesb.a hotel that provides luxurious amenitiesc.a hotel that shows understanding of customers' latent needsd.a hotel that gives discounts

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming