Gonads are the body structures that produce sex cells. Sperm are the male sex cells. Eggs are the female sex cells. Chromatin are threadlike DNA found inside the sex cells.
C: primary Consumer
<em>primary consumers</em> are typically animals that eat plants aka herbivores.
<em>producers </em>would be plants
<em>secondary consumers </em>are typically ones that eat meat or eat meat and plants aka omnivores.
<em>decomposers, </em>I believe are like your fungus or anything that feeds off of dead organisms or eat the waste of that organism.
Hopefully this helped. I remember learning about this in college.
(C) it's genes and it's environment.
I believe that last one is true (photosynthesis of plants)
good luck
B.
Viruses are classified as biological agents instead of a living things, $& they are only made of genetic material.