The part of plants that contains structures needed to absorb sunlight and carbon dioxide is the

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above