Birds of the same species with different types of beaks live on the Galapagos Islands. Which is
the best explanation as to why these birds have
different types of beaks?
A. Different types of beaks allow the birds to
better defend their territory.
B. Different types of beaks allow the birds to
attract more mates.
C.
Different types of beaks allow the birds to eat
different types of food.
9.

C

Explanation:

I think it’s C because not all birds eat the same food

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.