B. plastic packing
A and D are biological hazards and C is a chemical hazard
When a predator goes extinct, all of its prey are released from that predation pressure, and they may have big impacts on ecosystems.” ... “If there are too many deer, for example, they can really change the ecosystem because they can destroy forests, and they also carry disease,” Baldwin said.
Answer:
I think it is a let me know if it was right
I’m not too sure about showing similar behaviour but as for containing the same DNA, you could probably extract the DNA and conduct DNA sequencing