Science which parts does a cell need to be able to move around? a. mitochondria and cytoplasm b. cilia and cytoskeleton c. ribosomes and nucleus d. cilia and flagella

The answer is D. The flagella and cilia are what help to propel or move the cells around.

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

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.