| A | B |
|---|
| keystone species | a species that influences the survival of many other species in an ecosystem |
| genes | the structures in an organism's cells that carry its hereditary information |
| endangered species | species in danger of becoming extinct in the near future |
| threatened species | species that could become endangered in the near future |
| habitat fragmentation | breaking larger habitats into smaller, isolated pieces, or fragments |
| poaching | the illegal killing or removal of wildlife species |
| captive breeding | the mating of animals in zoos or wildlife preserves |
| extinct | no longer found on earth |
| deforestation | cutting down of all the trees |
| biodiversity | number of different species in an area |
| sexual reproduction | having 2 parents each give different genes and the offspring is different from the parents |
| poaching | illegal hunting of organisms |
| exotic species | not native to the area |
| punnet square | predicts the possible genes passed from parent to offspring |
| dominant gene | represented by capital letter |
| recessive gene | represented by a lowercase letter |
| Gregor Mendel | discovered traits are passed by genes to offspring |
