Select the following that cause variations in genes in a species. Select 3 A injuries B gene flow C genetic mutations D selective breeding E crossing over F a desire to change​

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

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.

What is the farthest destination to date for a human spaceflight mission?