Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

0Categories 223518Terms

Add a new term

Contributors in Earth science

Become a Contributors

Earth science >

sporangiophore

Plants; Flowers

A stalk to which sporangia are attached.

sporangium

Plants; Flowers

A chamber inside of which spores are produced through meiosis

sporophyll

Plants; Flowers

Any leaf which bears sporangia is called a sporophyll.

stamen

Plants; Flowers

Part of a flower, the tip of which produces pollen and is called the anther

stigma

Biology; Flowers

The sticky tip of a pistil. Or, the dense region of pigments found in many photosynthetic protists which is sensitive to light, and thus functions somewhat like a miniature eye.

stomata

Biology; Flowers

Openings in the epidermis of a stem or leaf of a plant which permit gas exchange with the air. In general, all plants except liverworts have stomata in their sporophyte stage.