cirruscirripede organ
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anatomy of barnacles
( in barnacle )
...and are cemented, head down, to rocks, pilings, ships’ hulls, driftwood, or seaweed, or to the bodies of larger sea creatures, from clams to whales. They trap tiny particles of food by means of cirri—feathery retractile organs formed by metamorphosis of certain of their legs.
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description ( in cloud
)
...The eight main cloud families are divided into three groups on the basis of altitude. High clouds, which are found at mean heights above the ground of 13 to 5 km (42,500 to 16,500 feet), are cirrus, cirrocumulus, and cirrostratus. Middle clouds, 7 to 2 km (23,000 to 6,500 feet), are altocumulus and altostratus. Low clouds, 2 to 0 km (6,500 to 0 feet), are stratocumulus,...
in climate: Cloud types )a. Cirrus
Student Encyclopædia Britannica articles specifically written for elementary and high school students.
- Clouds
-
anatomy of barnacles barnacle
...and are cemented, head down, to rocks, pilings, ships’ hulls, driftwood, or seaweed, or to the bodies of larger sea creatures, from clams to whales. They trap tiny particles of food by means of cirri—feathery retractile organs formed by metamorphosis of certain of their legs.
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ciliates ( in ciliate
)
...(cell mouth) of some species to form membranelles or undulating membranes (various sheetlike or fan-shaped groupings of cilia); elsewhere on the pellicle, cilia may form limblike tufts called cirri. Most ciliates have a flexible pellicle and contractile vacuoles, and many contain toxicysts or other trichocysts, small organelles with thread- or thorn-like structures that can be discharged...
in protozoan: Size range and diversity of structure )...even they have evolved considerable variation on the cilia-covered cell. In some species (e.g., the hypotrich Euplotes) the cilia are combined to form thick conical structures, called cirri, which the ciliate uses to crawl along surfaces, rather like little legs. In others the cilia virtually disappear from the main body of the cell, but the circle of cilia around the mouth...
Student Encyclopædia Britannica articles specifically written for elementary and high school students.
- Cirrus Digital Imaging - Swamp Cottonwood
Student Encyclopædia Britannica articles specifically written for elementary and high school students.
- Cirrus Digital Imaging - Red Milkweed Beetle
- BugGuide - Swamp Milkweed Leaf Beetle
- eNature.com - Red Milkweed Beetle
- Illinois State Museum - Milkweed Longhorn Beetle
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