Which food chain correctly shows the direction that energy and matter flow through a forest ecosystem? fruit—insect-sparrow-hawk
hawk-fruit-insect-sparrow
insect-sparrowhawk-fruit
insect-hawk-fruit-sparrow

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully