In plain words having physical and mental health, food shelter, work, feed, clothes, rest, work, living environment, social setting etc.
Example sentence - The answers included fundamental thinking on his part.
Learning is fundamental!
The vase from her grandmother was fundamental.
Fundamental idea (I don't know a full sentence but maybe this could help you a little)
Cells are fundamental to spreadsheets.
"the fundamental flaw in your plan is...""we used to believe that the fundamental ingredient for life was water..."
'Needs' would be the verb in this sentence.
The teacher was very fundamental when she taught .
You have to learn fundamental things before moving onto harder subjects
I wonder why he needs such an easy sentence.
physical needs
D "physical needs"