The film discusses the characteristics and classifications of chordates, a group of animals that includes vertebrates and some simpler forms. Key features of chordates include a pharyngeal breathing ...
The Inertia on MSN
Cuttlefish Are Smart Enough to Pass a Delayed Gratification Test Designed for Children
Cuttlefish are known to be the most intelligent of the invertebrates. They're even smarter than we thought, according to this test on delayed gratification.
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