<span>no because organisms such as humans are omnivores they can eat both meat and plants and may act as 1st,2nd or 3rd level heterotroph.</span>
I think the answer will be:
D.random loss or gain of genes
Fungi: Chitin
Algae( water like protists) : Cellulose
Because the way our solar system works it only happens either yearly or just depends on the situations
The answer to this is reporting information. I guess reporting information means to share with others, share your report with other biologists and compare your work with others. usually comparing work with others help with your project that you are working on.