Chemistry, 09.03.2021 04:00 joshua9814
The brown summer feathers of ptarmigans, small Arctic birds, are replaced by white feathers after winter arrives. Which statement best explains this observation? *
a. The modification of expressed genes can depend on where the organism is located
b. Holes in the ozone layer vary in size depending on the season
c. Acids in rain bleach the brown feathers of the birds
d. Mutations occur during certain seasons
Answers: 2
Chemistry, 22.06.2019 19:40, jholland03
What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves
Answers: 1
The brown summer feathers of ptarmigans, small Arctic birds, are replaced by white feathers after wi...
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