| A | B |
|---|
| muskrat feeding pattern | platforms of discarded or uneaten grass and reed cuttings or by floating blades of cattail |
| middens | piles of freshwater clams (muskrats) |
| pellets | regurgitated, undigested matter commonly produced by owls, crows, blue jays, and some other birds |
| food remnants | feeding debris (ex: bear tears apart a log looking for insects) |
| food cashes | stored food (ex: bears may store food in shallow pits covered with twigs, branches |
| red squirrels | leave piles of cones or remnants of cones, acorns or hickory nuts with ragged hole at one end |
| endangered species | any species in danger of extinction throughout all or a portion of its range |
| threatened species | any species which is likely to become endangered within the foreseeable future throughout all or a portion of its range |
| special concern | listed as a concern for becoming endangered or threatened |
| Silent Spring | Rachel Carson (author) 1962 |
| National Emvironmental Policy Act (1962) | powerful tool for maintaining environmental quality |
| Endangered Species Preservation Act (1966) | the first act specifically addressed species threatened with extinction; formed National Wildlife Refuge System |
| Endangered Species Preservation Act (1969) | expanded legislation (all vertebrates & invertebrates); prohibited import of endangered species or their products |
| Endangered Species Act (1973) | expanded coverage to plants |
| Fish & Wildlife Conservation Act (1980) | development of plans for management of wildlife |
| conservation | wise use |
| preservation | nonuse |
| fire or burning (tool) | creates new growth |
| fertilization (tool) | creates more palatable and nutritional foods |
| food plots (tool) | creates winter food source |
| shelter belts (tool) | protects upland game, some big game, and non-game |
| timber sales (tool) | creates grasses and weeds; helpful to early successional species |
| alien species | a species of plant/animal not native to an area |
| invasive alien species | an alien species which because it has no native predators begins to take over the habitats of native species on a large and fast scale |
| kudzu | introduced from the Orient |
| starling and English sparrow | introduced from England |
| Dutch Elm disease (wiped out the Elm trees) | introduced from Holland |
| Chestnut blight (killed the magnificent American chestnut trees | introduced from Asian trees brought to USA |
| Zebra mussel | traveled across oceans on ship ballast |
