Organisms grown organisms always remain the same size
2 points
Many organisms use a blochemical reaction called cellular respiration to
obtain energy from food. This is part of the organisms
reproduction
metabolism
homeostasis
growth and development

b brown mice / white sand dunes

explanation:

the sun shines white and black light to our planet. the white light has all the colors in it. in our upper atmosphere, we have dust particles and oxygen molecules. the white light meaning all of the colors in a rainbow shines through the upper levels of the atmopshere and the blue light scatters across the entire planet. that is why our sky is blue.