What do we call a group of organs which work together to carry out a particular fuction?

Use the distance formula to determine weather each pair of segments have the same length

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient