DNA |
a substance found in cells that contains information about the characteristics of a living thing. DNA plays a part in the passing on of characteristics from parent to offspring. "DNA" is an abbreviation of "deoxyribonucleic acid." |
dodo |
a large bird, now extinct, with wings so small that it could not fly. Dodos were once found on islands in the Indian Ocean. |
down2 |
fine, soft, fuzzy feathers. Down covers young birds. Down is also found underneath the outside feathers of some adult birds. |
elk |
a large deer found in northern Europe and Asia. It has large antlers shaped like a palm with spread fingers. In North America the same kind of animal is called a moose. [2 definitions] |
fat |
a white or yellow oily substance found in some parts of animals or plants. Fat is made of carbon, hydrogen, and oxygen. [1/4 definitions] |
fiber |
a plant material found in food that is not digested by the body but that plays an important part in good health. [1/2 definitions] |
fin |
anything that looks or works like a fin. Fins are often found on airplanes, boats, or cars. [1/3 definitions] |
fly1 |
a strip of material along the edge of a piece of clothing that hides buttons or a zipper. Flies are usually found on the front of pants. [1/9 definitions] |
fossil |
the remains or trace of a living animal or plant from a long time ago. Fossils are found embedded in earth or rock. |
gazelle |
a kind of antelope found in Africa and Asia. Gazelles are mammals with hooves and long legs. They are graceful runners. Their horns are slightly curved and have dark rings. |
gecko |
a small lizard with soft skin that eats insects. The gecko has a short body and large head and can climb walls and trees. It is found in tropical areas. |
goldfinch |
a small finch with yellow and black markings, found in North America, Europe, and Asia. |
goose |
a water bird that looks like a duck but is usually larger, with a longer neck and legs and a more pointed bill. Some geese are raised by farmers, and some are found in the wild. [1/4 definitions] |
grizzly bear |
a large bear found in the northwestern United States and western Canada. The fur of the grizzly bear can be grayish or brown. |
Gypsy |
a member of a group of wandering people who came from India long ago. Gypsies are now found throughout the world. [1/2 definitions] |
hacienda |
a large estate used as a farm or ranch. Haciendas can be found in many countries where the people speak Spanish or in the southwestern United States. |
hatch2 |
an opening in the floor, roof, or side of a building or vehicle. Hatches are often found on ships and allow passengers or cargo to pass through. [1/2 definitions] |
hemp |
a tall plant first found in Asia. Hemp is an important source of fiber for rope and coarse cloth. [1/2 definitions] |
heroin |
a drug made from a substance found in certain plants. Heroin is addictive and harmful. It is against the law to make, use, or possess heroin in the United States. |
hickory |
a tree of the walnut family, found mostly in North America. The hickory has nuts that can be eaten and wood that is hard and useful. [1/2 definitions] |
horsefly |
a large fly that is sometimes found in large numbers around horses, cows, or other animals. Female horseflies bite and feed on the blood of people and animals. |