The bottom of the pyramids are the producers and primary consumers and the top are the secondary and tertiary consumers. The bottom is bigger because it gives all the primary consumers 10% of their energy, the primary consumers give off 10% of their energy to the secondary and so on. The bottom represents how much energy is started off with and by the time you get to the tertiary consumers there is little energy left and that’s why the top is smaller.
They use their skin to do gas exchange
Answer:
Phenylketonuria, Cystic Fibrosis and Sickle Cell Anemia, these all are disorders caused by hereditary mutation.
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False
Bacteria are known as decomposers and feed off waste or dead organisms while viruses are known as parasites and are a small collection of genetic code that surrounds a protein and infects a host cell to produce more replicas of itself. This process usually kills the host cell.
