Question

translations not available for this section
this sentence is missing a colon. place the colon after the correct word. (note: you may need to retype the word in order to add the colon.)

click the word(s) you want to edit in the sentence below and type your changes.

however, despite the excellent learning abilities of octopuses, only a few cognitive abilities have been investigated play behavior, navigation, and detour task solving in a maze.

Explanation:

The colon should be placed after "investigated" to introduce the list of cognitive abilities (play behavior, navigation, detour task solving). So we retype "investigated" with a colon after it.

Answer:

However, despite the excellent learning abilities of octopuses, only a few cognitive abilities have been investigated: play behavior, navigation, and detour task solving in a maze.