How old is constructing a model of the tree of life which strategy would most likely ensure that all of ours organisms are represented somewhere in the model

is it multiple choice?

i took a test for bio that had this question and these were the correct answers, not sure if this is any now lol

the nervous system and the muscular system work together.  

sweat reaches the surface of the skin and evaporates into the air.

muscles underneath the skin relax, causing hair on the skin to lay flat.

answerhygroscopic;