Select the most correct statementa. Organ systems can be composed of cells or tissues, but not both. b. Organ systems operate independently of each other to maintain life. c.The immune system is closely associated with the lymphatic system. d. The endocrine system is not a true structural organ system

c.The immune system is closely associated with the lymphatic system.

Explanation:

Its close relationship is based on the fact that the lymph nodes of the lymphatic system have the main function of producing the cells of the immune system necessary for the body's defense against pathogens.

When a pathogen is detected in the lymphatic fluid, the lymph nodes produce more white blood cells to fight the infection.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

1. efficient use of space

2. elimination of groundwater contamination

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4. lower carbon footprint