Some animals that went extinct are:
Dodo
Wooly Mammoth
Tasmanian Tiger
Po'puli
Golden Toad
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if the biodiversity keeps on increasing and surpasses the carrying capacity, the stability of the ecosystem will be lost. This will be due to replenishing resources, increasing competition, difficulty in survival and less availability of food. Therefore, a balance should always be maintained in the biodiversity as well optimal climate for stabilizing an ecosystem.
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Answer:
Phenotypic changes:
When Rhodobacter is cultured in total darkness for multiple generations, the ability to produce it's own photopigment reduces with time with little or no ability to undergo its own photosynthesis due to absence of enzymes or pigment for photosynthesis.
It becomes expensive for the Rhodobacter to undergo photosynthesis. This allows mutants that can grow in the dark to take over from the culture grown in the dark.
Evolutionary processes:
It's natural selection that allows the fittest organism to survive. As in the case of the mutants
Purebreed is where both parents are the same breed to produce an offspring of the same breed.
The variable is independent because you are affecting it by changing it individually. It would be dependent if you changed one variable then the water was affected.
