has an odor. has separate parts. can make a noise and has a lifelike color. carries out basic life functions.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: On a field trip in a wooded area, you see a small, strange object. You wonder whether is is a live animal. The best way to find out is to observe the object to see if it
Possibilities:
- has an odor.
- has separate parts.
- can make a noise and has a lifelike color.
- carries out basic life functions.

carries out basic life functions.