Male dolphins can learn each other's names- specific whistles- given to the by their mother. The findings suggest a sense of team membership, which has never been observed in animals before.

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Important GRE Words in this article:

August Save

Meaning: majestic

Subjective Save

Meaning: not objective

Resolute Save

Meaning: adamant

Estimable Save

Meaning: worthy

Calibrate Save

Meaning: to inspect, determine, or correct the graduations of an instrument by comparing it to a standard

Correspond Save

Meaning: to exist in agreement or conformity

Obtain Save

Meaning: to be established, accepted, or customary

Ensure Save

Meaning: to guarantee or make certain

Provident Save

Meaning: frugal

Table Save

Meaning: to remove (as a parliamentary motion) from consideration

Corroborate Save

Meaning: to confirm

The respective second-order alliances had crystallised by the mid-1990s to the early 2000s (PD alliance 1995-1997; KS alliance 2000-2001; RR alliance 2002-2004).
The membership of these second-order alliances corresponds to what we observe in the field, i.e.
We then examined associations between these second-order alliances by testing for inter-...

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