Alive -

: Organisms react to their environment, such as a plant growing toward light or an animal fleeing from a loud noise.

: All living things are composed of one or more cells, which contain DNA and organized structures. : Organisms react to their environment, such as

: Over generations, populations of living things change to better survive in their specific environment. 2. The Human Experience: What It Means to "Feel Alive" What Really Makes Us Feel Alive (And Why We've Forgotten) : Organisms react to their environment

: The ability to maintain a stable internal environment (like body temperature) despite changes in the outside world. : Organisms react to their environment, such as

: Living things increase in size or complexity over time throughout their lifespan.