D! They are both decomposing dead organic matter and metabolizing it through certain pathways to obtain energy! Hope this helped :)
1. Division 2
2. Division 2
I dont know how to explain the other ones.
The first one, <span>By having white blood cells to attack pathogens. this is because blood also has white blood cells. and the immune system has pathogens. so the blood cells help attack pathogens.</span>
<span>The climate and the situation of the country or city that they live in.</span>
