D. Uranium. the other ones are reuse able. i found this on Brainly
That is when extinction occurs. Hope I helped!
I am gonna say answer b. Spores
I'm not sure what the options are for an answer but based on what I remember from my ENTO class, it would be secondary myiasis.
Answer:
cell
tissue
organ
system
human organism
Explanation:
unicellular organisms only have one cell since two or more cells form a tissue their level of organization is restricted to cell
cell
two or more cells form a tissue
two or more tissue forms an organ
two or more organs form a system which must work in coordination for efficiency
two or more systems make up a human organism
