Food chain and food web both depict the energy flow within the ecosystem because it is about animals Eating each other and thus transferring energy
Allele frequencies in a population may change due to four fundamental forces of evolution: Natural Selection, Genetic Drift, Mutations and Gene Flow. Mutations are the ultimate source of new alleles in a gene pool. Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift.
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If the DNA codons are altered in an organism, the genetic code will be inaccurate. This will result in genetic mutations and disorders, depending on how drastic the change was. The two types of mutations are point mutations, that just replace one nucleotide. There's also frame shift mutations, where the amount of codons are incorrect.
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Schleiden, Schwann, and Virchow are the 3 major contributors to the cell theory.
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D: Some traits in certain embryos disappear as the embryo develops.
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