Which of the following groups would an animal with an exoskeleton, segmented body, and jointed appendages belong to a) mollusks b) segmented worms c) cnidarians d) arthropods

Which of the following is an example of an environmental change the affected the evolution of life a. volcanic activity b. changes in climate c. mountain building d. all of the above

What is the primary goal of human communities?

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.