Nonhuman primates cannot communicate vocally about absent or nonexistent objects or past or future events. Based on this, their call systems lack the linguistic design feature of Group of answer choices

discreteness

complete

feedback

displacement

semanticity

displacement

Explanation:

In Linguistics, displacement has to do with to the ability to refer and talk about things at are not directly present in space and time. in that matter, even though some primates are able to understand words and phrases, they still cannot talk about things that are not a hand or refer to past or future situations. Besides, the vocal and articulatory systems of animals prevents them from possessing language similar to humans.