The feature that is found in all the animal cells is that they are diploid. Diploid cells are the cells that have more than one copy of the genes they possess. It contains two sets of chromosomes
The other statements are not true due to the following reasons
They have rigid cell walls - animals do not have rigid cell walls
They produce food - only plant cells are capable of producing food
They are haploid - as mentioned earlier animal cells are diploid
am not really sure.