During the middle ages, which civilization made the fewest recognized scientific discoveries compared to the others?

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Contrast how pollination is different among gymnosperms and angiosperms.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome