Select all of the organ systems that are directly part of our immune system?

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?