The arrows in the diagram show continuous, cyclic movements from one subsystem to another without an end. Reflect upon your previous answers and knowledge of Earth’s subsystems to determine whether the arrows in the diagram best represent matter, energy, or both. Explain your answer and provide at least one example that occurred during the Precambrian era.

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

What organ systems are working to you cool down after a workout?

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex