Asexual and Sexual Reproduction Quiz
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A disadvantage of
such as food and living space.
reproduction is that offspring generally have more competition for resources,

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

In which state was more than 100 billion tons of coal mined in 2005?