Which level of organization is characterized by a group of cells that work together to perform a common function?
organ
tissue
organ system
organism
A lion eating a zebra is an example of which characteristic of life?
having cells
responding to the environment
using energy
growing and developing

Respuesta :

Explanation: The level of organization that is charactrized

by a group of cells that work together to perform a common function is a tissue.  

A lion eating a zebra is an example of using energy. Because the lion is using it energy to get the zebra this will later lead to development