ASAP PLEASE

How do some cold blooded animals keep their bodies at a constant temperature in cooler environments?
By generating their own heat
By heating themselves in sunlight
By breaking down water and glucose
By shivering
NO GUESSING PLEASE!:)

Classify the structures as homologous or analogous, depending on their structure and 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.

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air