answer would be A I believe. Im not 100% sure though.
First, the yellow fever virus is phagocytosed by white blood cells. The phagocytosed white blood cell then travel through the lymph vessel. Since lymph node contain white blood and filter lymph, the yellow fever phagocytosed with white blood cell establish in the lymph node.
It isn't a because the xylem transports water and nutrients. Tracheids transport water and salt minerals. It would not be trichomes because they are little hairs on the plants. It would D because the phloem transports sugars and wastes.
Answer:
pyramid of energy
Explanation:
An energy pyramid is a graphical flow in a community.The different levels represents different groups of organisms that might compose a food chain, from the bottom to the top.
Answer:
My guess would be option A.
Explanation:
Antibiotics work on bacterial infections. These chemicals kill the bacteria cells but do not affect cells that make up the body. For example, many antibiotics interrupt machinery inside bacterial cells that builds the cell wall.