Which two systems are most directly involved in providing molecules needed for the synthesis of fats in human cells?

A. digestive and circulatory
B. excretory and digestive
C. immune and muscular
D. reproductive and circulatory

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.