Reptiles and birds excrete waste as insoluble white solid that is called utica acid . how does this them to maintain internal homeostasis in hot climate

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

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.