Answer:
Hello!
Primary consumers and producers are two examples of <u>trophic</u> levels, a way to classify living organisms based on their source of nutrients.
Hope this helps!
I don’t believe this is true. I don’t think you can recycle EVERYTHING so I would put false.
I hope this helped! :-)
Answer:
A body attacks a transplanted organ because it does not recognize it as being made of self cells. It knows this because the new organ has antigens, a form of proteins that coat the organ. When a body's immune system recognizes these antigens and they are not similar enough to the body's own antigen's, it attacks to try and keep itself safe and healthy.
Explanation:
Answer:B
Explanation:Postganglionic sympathetic nerve pathway