| A | B |
|---|
| interdependency | the relying on each other of plants and animals; each one needs the other to survive |
| conservation | the protecting and preserving of the earth so that plants and animals continue to live |
| survival | to continue living |
| extinction | to cease to live; no longer on Earth |
| endangered | when few of a species is left on Earth; the plant or animal is close to extinction |
| natural resources | things provided by nature that can provide wealth such as coal, oil, water, land |
| floods | the overflowing of water on the land |
| earthquakes | a trembling of the earth |
| volcano | a vent in the earth's crust where lava comes out |
| resource renewal | a way to practice conservation such as planting new trees, saving seeds and cleaning up the land |
| habitat management | a way to practice conservation by protecting the habitats of plants and animals such as national parks or forests |
| species monitoring | a way to practice conservation by keeping records of the number of species in an area such as counting eagle's nests |
