Match the following terms and definitions. 1. genetic change in a population or species over many generations 2. male and female reproductive cells (egg and sperm cells) 3. mechanism of evolution that suggests traits can be shifted between populations by outbreeding or migration 4. all of the genes present in a specific population 5. mechanism of evolution that suggests changes in the gene pool of a population are due to chance 6. mechanism of evolution proposed by darwin; suggests traits suitable for an environment survive while those less favorable do not 7. the expression of a genetic trait; what the trait looks like natural selection genetic drift gene flow gene pool phenotype gamete evolution

1. Evolution is illustrated as a genetic change in a population or species over many generations.  

2. Gametes is the term given to the cells of male and female reproductive system, that is, sperm and egg.  

3. Gene flow refers to the contrivance of evolution, which suggests that traits can be moved in between the populations by migration or outbreeding.  

4. Gene pool refers to all of the genes found in a particular population.  

5. Genetic drift refers to a tool of evolution, which suggests modifications in the gene pool of a population are because of chance.  

6. Natural selection refers to a tool of evolution suggested by Darwin. According to which, the traits appropriate for an environment thrives, while the ones which are not favorable will not.  

7. Phenotype refers to the countenance of a genetic trait, that is, what the trait appears like.  

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b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.