Sanasto ja Rakenne (Tehtävä 15)

15. Meet a Bee with a Very Big Brain (12 p.)

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Choose the word that means the same as the underlined word in this context.

15.1 Just like mammals or birds, insect species of the same size may have different ENDOWMENTS inside their heads. 2 p.






15.2 But in insects, the DRIVERS of brain size have been more of a mystery. 2 p.






15.3 Researchers beheaded each insect and used FORCEPS to remove its brain, a curled structure that’s widest in the center. 2 p.






15.4 But a bee with a specialized diet may have to spot its preferred BLOOM, with its specific color and fragrance, among a whole field of similar flowers — a task that might require more brain. 2 p.






15.5 But although a beehive is large and complex, each bee within it has a specialized job, such as FORAGING FOR nectar and pollen. 2 p.






15.6 The study illustrates that no matter how much scientists think they know about brain evolution from studying vertebrates, those rules may not apply to the insect world. 2 p.



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