The inside of the cell is filled with a fluid called
What will be an ideal response?
cytoplasm
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Xanthophyll pigments __________
A. prevent formation of reactive oxygen species B. absorb light energy C. convert light energy into heat D. reflect yellow light E. All answer options are correct.
A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources. The process by which these different species of finches came about is likely to have involved
A. natural selection. B. evolution. C. an accumulation of harmful genetic mutations. D. both natural selection and evolution. E. None of these choices are correct.
____________________ secrete hormones into blood.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a J-shaped muscular sac that serves in the temporary storage of masticated food while digestive enzymes and HCl are released to digest proteins?
A) colon B) esophagus C) stomach D) large intestines