Select the statement that is most correct. A) The integumentary system works with the immune system. B) Organ systems can be composed of cells or tissues, but not both. C) The endocrine system is not a true structural organ system. D) Organ systems operate independently of each other to maintain life.

ecotourism pay for conservation efforts.

answer; the correct answer is (beta)

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.