What is 6.9 x 10^7 in standard form

69000000 =

6.9 * 10^7

10^ 7 = 10000000

6.9 * 1000000 = 69000000

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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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.