Answer:
D) bronchitis
Explanation:
meningitis happens in the brain
anemia happens with red blood cells
gout happens in the joints of your body
bronchitis happens within the respiratory system
Answer:
a. concentration gradient
Explanation:
i did it in apex and got it right.
1. tetrapods are ( four-limbed animals ) . examples of tetrapods include (extanct and extinct amphibians , reptiles , and mammals )
2. Tetrapods first appear in the fossil record ( 367.5 ) million years ago .
3. Charles Darwin predicted that tetrapods evolved from ( a finned organism that lived in the water) . What observation leads do that hypothesis?( they have “fleshy fins” and “lobe fins”) .
5. Fish use ( gills ) to breathe underwater .
