<span>new species evolve from ancestral species through slow & steady change </span>
Answer:
18 is the nuclesus, 20 is the smooth endoplasmic reticulum and 21 is the golgi apparatus and 19 is the microtubes and 17 is the vacules.
Explanation:
The symbiotic relationship would be commensalism. It’s when one organism benefits and the other organism neither benefits nor is harmed.