Answer:
Stay safe from predators in their natural environments. I'm pretty sure this is the answer but it might not be.
Explanation:
Xenografts are tissue grafts harvested from a different animal species.
2.5g/ml will sink because it has higher density compared to water
0.5g/ml will float because it has lower density compared to water
Answer:
I would say it begins to multiply based on the picture below
Explanation: