In this 1 hour 4th Grade Life Science Lesson, your students will learn the internal and external functions organisms have to survive.Essential Question: “What functions enable an organism to survive?”Taught using informational text and written descriptions of an organisms functions.*This lesson includes optional cross curricular extension activities relating to ELA and math.You’re not alone in the teaching world! You have a friend at Daybreak Lesson Plans, a team of seasoned teachers working to