Together with the sacrum and coccyx, the pelvic girdle forms a bowl‐shaped region, the pelvis, that protects internal reproductive organs, the urinary bladder, and the lower part of the digestive tract.
I would say almost all types of muscles. Skeletal, cardiac, or smooth, they all need neurons. Without them, it could cause flaccid and spastic paralysis, or other types of diseases.
If its to a child, I would say an egg cell.
But, any of these cells can mutate.
The leaves because that's what has most green.So they have more pigments to produce chloroplast.
Deferent classes of species like, the students are a species and the grade level would be the classification of said students. Ie more 8th graders than 7th graders. Hope I helped
