| A | B |
|---|
| canopy | the high, sheltering branches of rain forest trees |
| captive | captured; held against one's will |
| dilemma | a situation in which one is given difficult choices to make |
| extinction | the condition of having died out |
| genes | tiny pieces of matter in cells that carry the blueprints for characteristics |
| habitat | a natural environment for native creatures |
| humid | containing a large amount of water vapor |
| observation | the act of paying close attention |
| predators | animals that prey on others |
| reintroduction | the process of returning animals to their native habitats |
