Hey guys pls help will make brainliest for best answer :D

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?