The answer is B. Hydrogen Bonds
Germs are transferred from one bacteria to the next....
I think the answer is:
D.) endangered species extinction.
Hope this helps :)
The key point in a climax community is a population in equilibrium, or balance, with respect to both biotic and abiotic factors. The second answer choice would best describe such a community.
The other choices contain words that suggest a state of disequilibrium (“growing,” “booming population,” “decreasing population”).