Change in the components of organisms.
Answer:
S-phase
Explanation:
S-phase is the part of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase. Precise and accurate DNA replication is necessary to prevent genetic abnormalities which often lead to cell death or disease
20 different amino acids are found in protiens
They breathe the water in and force it into their gills the dissolved oxygen moves into the fish's blood and travels to their cells.
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2. Needs a Host to survive