Mollusks are a highly diverse phylum (Mollusca) of invertebrate animals that constitute a major topic in zoology and evolutionary biology, encompassing classes such as Gastropoda, Bivalvia, and ...
Extant and ancient cephalopods—including octopuses, squids, extinct ammonites, cuttlefish and nautiluses—have all had to solve the problem of buoyancy, whether they have hard external shells or not.
Animals are eukaryotic, multicellular organisms that form the biological kingdom Animalia. With few exceptions, animals are motile (able to move), heterotrophic (consume organic material), reproduce ...
Shellfish allergies are the most common food allergies in adults and among the most common food allergies in children. Approximately 2% of the U.S. population reports an allergy to shellfish. 1 ...
This dark, long-bodied diving bird floats low in the water with its thin neck and bill raised; perches upright near water with wings half-spread to dry. The Double-Crested Cormorant (which rarely ...