Question

chapter 10 question 12
1 part | -- of 1 point
\watermelon snow\ in antarctica is caused by a certain species of photosynthetic green algae that thrives in subzero temperatures (chlamydomonas nivalis). these algae are also found in high - altitude, year - round snowfields. in both locations, uv light levels tend to be high.
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1. the reddish - pink color of these algae is due to the presence of, which absorb light while reflecting light. these pigments protect the from intense blue light and also ultraviolet radiation, as well as absorb heat, which provides the alga with.

Explanation:

Carotenoid pigments are known to give a reddish - pink color. They absorb blue light (as part of their interaction with light in high - UV environments). Red light is reflected (which contributes to the reddish - pink appearance). Chlorophyll is in the chloroplast, but the color here is due to carotenoids. The heat absorption helps in getting liquid water as the snow melts around the alga (a key survival factor in cold, snowy environments).

Answer:

1. carotenoid pigments, blue, red, chloroplast, liquid water as the snow melts around it