I would say C because our body is continuously changing through puberty. We need more sleep, more food consumption, we need to have fantastic hygiene, etc...
Virus is non living, but once it gets a host (something to live on), it is a living being.
I believe the answer is C
Explanation:
plants > herbivorous insects > predaceous insects > toads.
Yes, protists have cell walls.
Protists cell walls are made of composed cellulose, protein strips , and silica
For some protists, we can even found components like pectin on the cell walls
hope this helps
