Answer:
a
Explanation:
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Answer:
Almost all the animals can heal wounds, but only some can regenerate. One hypothesis is that certain regeneration-specific genes are expressed exclusively in regenerative species and evolutionarily lost in nonregenerative species.
Explanation:
Good luck and have a great day!
Answer:
Each cell has a unique chemical composition
Explanation:
All the other answers are apart of the modern cell theory.
