How do you know something is alive?

Answer 1

The only foolproof indicator that something is dead is that it has no heartbeat. Be wary when checking for a pulse though, some animals are capable of slowing their heartbeat down to almost nothing when hibernating

Answer 2

living things have to do the 7 characteristics:

- turns food into energy

- needs water

- can reproduce

- has to grow

- gas exchange ( make oxygen into carbon dioxide or other way around)

- eliminate waste ( bathroom, take out carbon dioxide, or breathing,)

Answer 3

All living things show: 1. Nutrition, 2. Excretion. 3. Respiration, 4. Sensitivity. 5. Reproduction, 6. Growth and 7. Movement.
The seven characteristics could be memorized by the term “Mrs. Gren”:

Answer 4

Something is considered to be alive if it can reproduce and convert energy into energy to keep itself alive. Something alive should respond to stimulation or a change in their environment.

Answer 5

all living things need nutrients take any possible nutrients out of the system and you'll find out such as plants and water or an animal and food.

Answer 6

You know it is alive because it moves and breathes and responds to the environment and eats and reproduces. This is what makes something alive.

Answer 7

It blinks occasionally.