To clarify, you should read the directions that come with the lab activity to be sure of what to do in the lab.
The answer to the question is 25%
Answer:
External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs.
Great white sharks have serrated teeth for tearing into their prey.
Photosynthesis takes place in the chloroplast, because that’s where the chlorophyl is located.