Answer:
I have know idea sorry
Explanation:
um yeah ask like someone else lol
The correct answer is A Chemical bonds.
I hope that helped you! c:
Answer: A niche refers to the ecological role of organisms in its community.
Example snake.
Three niches of snake are:
1. Predators- they can act as pests control in the field (one of their sources of food is rats)
2. Prey- they can also be a source of food to other higher ranking species in the food web such as the eagle.
3. Contribute to the balance of the food web.
In a crime scene where blood is present using dna fingerprinting would be useful because it was not only tell you if that person was related to the victim/or was the victim but who that person is