Last step in wastewater treatment is a process

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

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.

Modern whales developed their traits through natural selection what occurs during the process of natural selection