It's very likely that the catcus with short spines will die out faster than the cactus with long spines.
Answer: RNA
Explanation: because in DNA, it results with viruses, and RNA is better I guess
I think the answer is the last one; Flame bulb; flat worm.
A flame bulb or a flame cell is a specialized excretory cell found in the simplest fresh water invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Bundles of flame cells are called Protonephridia.
The answer to this question is Detritus!
During The DNA Replication?
