Approximately what percent of the oxygen on Earth is produced through
photosynthesis?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols