Match the words to their definition.

Words
Crossing over
Phenotypes
Heredity
Inheritable genetic variation
Environmental Factors
Natural selection
Genotypes
Gametes

Definition
1. Changes in genetic material that can be passed to offspring
2. Sex cells, which are egg and sperm cells
3. The process that occurs when genetic information is swapped between homologous chromosomes
4. The process in which organisms better adapted to their encitonment tend to survive and produce more offspring
5. The passing of genetic material found in chromosomes from parents to offspring
6. The characteristics that can be observed
7. Changes in genetic material that can be passed to offspring
8. The combination of alleles found on the DNA

1. Inheritable genetic variation

2. Gametes
3. Crossing over
4. Natural selection
5. Heredity
6. Phenotypes
7. Environmental factors
8. Genotypes