Industrial melanism<span> is the resultant effect of</span><span> </span>industrial pollution on arthropods<span>. The individuals that had a darker pigmentation were more fit to the new environment, more polluted that caused darkened buildings and trees, and were thus favoured by </span>natural selection to survive.
Insecticide resistance and antibiotic resistance is also a manifestation of the emergence of new groups of organisms that are resistant to a specific attack out of an existing population, and are therefore favoured by selection to survive over the others.
Answer:
B. (The first one)
Explanation:
the only thing that is different from the two perish dishes are the temp. this is the independent variable. the dependent variable is the result. in this case, the amount of bacteria after three days
Feathers are modified as scales. According to the history, birds which have feathers are the descendants of the dinosaurs which have scales.
That's why feathers are categorized as scales in the present record according to studies. <span />
I'm not sure but it might be C
