Darwin's theory of evolution by natural selection can explain how antibiotics are becoming defective because the bacteria that is trying to be fought off might have had a mutation making it more likely to survive. Once that surviving bacteria makes offspring most of the first generation will die from the antibiotic but soon all of their offspring will produce a resistance to that antibiotic.
Any eating utensil that you can find
asexual reproduction
One parent cell is needed
The young Komodo dragon will be a girl and look like its mother.
The horrific forced transport of Africans into America during the age of exploration as part of the slave trade that was going on where Africans were transported on ships from Africa, chained up like animals all the way to America was an example of international migration affecting the population.
External influences forced Africans to go from Africa to another continent and live there.
The plants absorb light energy into chemical energy. This energy is used by the plant for fuel. The byproduct of photosynthesis is Oxygen. That is why plants are so beneficial for air quality