Answer:
b. Life forms on Earth are unchanging
d. Centrioles are not found in plant cells
Explanation:
a. Darwin
People in Victorian England believed all three ideas.
Darwin challenged only the idea of unchanging life forms.
B. Plant cells
Centrioles are present in animal cells but not in those of higher plants
In animals, they may help in spindle formation during mitosis.
However, spindle fibres form in plants without the aid of centrioles.
