Please Help
This is an example of

Paramecium

Explanation:

I looked up "paramecium" on the internet, and found a diagram that matches yours. I hope this helps!

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.