Answer:
Explanation:I need to get some answers too
Answer:
List the features of gas exchange surfaces in animals.
1)They are moist to prevent the cells from drying and to allow gases to dissolve;
2)They have a large surface area , so that a lot of gas can diffuse across at the same time;
3)They have a high concentration gradient - maintained by the movement of air & blood.
The diagram that would be used would be an energy pyramid.
<span>One cell becomes two cells that have different copies of DNA.
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Hope this helps!
-Payshence xoxo
