| Term | Definition |
|---|
| stress | any physical hazard to life caused by having too much or too little of things needed for life |
| flood | when an ecosystem receives more water than it can use or store |
| drought | when an ecosystem receives less rainfall than it needs |
| succession | gradual changes in the populations of organisms in an ecosystem |
| natural stresses | fire, flood, & drought |
| invasive species | plants and animals that are not native to an area and can cause harm |
| endangered species | a population so small that it is in danger of becoming extinct |
| native species | plants and animals that originally live in an ecosystem |
| extinct species | species whose last known member has died |
| man-made species | habitat destruction, pollution, and excessive hunting and fishing |
| habitat destruction | the largest man-made stress |
| dominion | what God has given man over His creation |
| threatened | a population that could become endangered in the near future |
| invasive species bring these problems | increased number of predators, diseases, increased competition for food & water |
Combine with other sets
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