1 5.1.5 Quiz: Characteristics of Ecosystems Which level of organization of life does this photo best represent?
O A. An ecosystem
O B. A population
C. A species
O D. A community
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Previous pagenext pagepage 3 of 10question 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical