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distance, direction of travel and even some basic facts about the internal structure of
objects in the water around them. This information is critical for dolphins to find food
and navigate in dark or murky waters.
01
The word inherent in paragraph 1 is closest in meaning to
A insolent
B indigenous
C inept
D innate
02
Why have animals developed distinct means of communication?
A As a means of establishing territorial boundaries
B As a response to other species’ genetic adaptations
C As a response to the primary need of finding a habitat
D As a means of ensuring the propagation of their species
03
The word them in paragraph 2 refers to
A electric fields
B species of fish
C electric signals
D territorial boundaries
DIAGNOSTIC TEST 13
