Answer:
B) Help produce oxygen
C) Help make foods
D) Help break down dead materials
Explanation:
B - Life on Earth <em>depends</em> on protists since they are the ones who supply us with oxygen.
C - Provide food to other living organisms in food chains/webs.
D - Even, recycle important nutrients just for other life forms to use (some protists may also be decomposers; as they also release nutrients into the environment).
Ribosomes. Ribosomes which synthesize proteins are found in the rough endoplasmic reticulum.
. Astral microtubules anchor the spindle poles<span> to the cell membrane.</span>
Cha Ching, just got my points on deck
