biotic- living things
abiotic- non living things
I think the answer would be pesticides... i see you selected it though. was that a wring answer?
As per the two attachments given in the question, option "B" is the one choice among the choices that are given <span>shows an unsaturated fatty acid. The other options given are incorrect and can be easily neglected. I hope that this is the answer that has actually come to your great help.</span>
<span>prorostomes and deuterostomes is your answer</span>
