The action or process of clearing of forests.

A fossil usually with a narrow time range and wide spatial distribution that is used in the identification of related geologic formations.

The spreading of urban developments(as houses and shopping centers)on undeveloped land near a city.

A plastid that contains chlorophyll and is the site of photosynthesis.

Hair-like organelles, identical in structure to flagella, that line the surfaces of the certain cells and beat in rhythmic waves.

A long like, lash like appendage serving as an organ of locomotion in Protozoa.

a plural of fungus.(molds, rusts, mildews, smuts, mushrooms, and Yeats)

Army, a great number.

An organism living in, with or on another organism in parasitism.

An organism (insect) that transmits a pathogen.