Explain how the internal structure of a cell isolated from the pancreas differs from that of a muscle cell. What are the similarities between the structure and function of skeletal, smooth, and cardiac muscle? Describe the structural differ...
While not always abundant or visible, all mammals have some form of hair or fur at some stage of their lives. 5 Are birds considered mammals? No, birds and mammals are two distinct classes of vertebrates. 4 Do all mammals produce milk? Yes, all female mammals have mammary glands that pro...
To provide universality, all animals are given a genus and species name in what? (a) What is a vertebrate? (b) What do all vertebrates have in common? What are monotremes? Are there any types in them? List the classes of vertebrates. Give the common name of a specific animal in eac...
What are the two major types of amphibians? What adaptations do amphibians have? What characteristics distinguish amphibians from other chordates? What characteristics separate amphibians from other classes of vertebrates? What types of appendages do amphibians have?
Everything from sponges and jellyfish to insects and vertebrates is belongs in "Metazoa", and considered to have evolved from a single unicellular choanoflagellate ancestor, sometime during the Ediacaran period. What are the four classes of protozoa? Its four divisions are Amoeboid Protozoa or Sar...
A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C18H24O2) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estr...
probably the least known of the major lineages of vertebrates, are limbless tropical amphibians, with adults of most species burrowing in soils (fossoriality). This enigmatic order of amphibians are very distinct phenotypically from other extant amphibians and likely from the ancestor of Lissamphibia...
Hope and love are popular themes of literature and art in many human societies. The human physiology of love and hope is less well understood. This review presents evidence that the lack of love and/or hope delays growth disturbs development and maturati
What are the two major groups of angiosperms? What are the two phyla of helminths? What are the three phyla of seedless vascular plants? What group do amphibians belong to? What are taxa in biology? What are the seven classes of vertebrates? What are the three classifications of marine org...
What are the 3 classes of cnidarians? Cnidarians are divided into three major classes. These are theHydrozoa (hydras and other colony-forming species), the Scyphozoa (jellyfish), and the Anthozoa (sea anemones and corals). What is meant by Cnidoblast?