In order to compare and contrast different organisms, scientists use a classification system that sorts organisms into categories. the broadest category used for sorting is called a kingdom. the least broad category is called a species. approximately how many different species of flowering plants have been identified by scientists thus far?

What is a codon and where is it found

What is true of sea slugs in these orders

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.