Answer:
C
Explanation:
The crayfish is a relatively large specimen, even the mouthparts. Since you are dissecting the mouthparts, you need a 3D view: you should use the dissecting microscope.
Answer:
Lactic acid from anaerobic respiriration
Explanation:
Hope it helps :D
Answer:
virus
Explanation:
a virus is surrounded by a protein coat
10 organs all together in the digestive system