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Q. What are the six criteria used to build a complete evolutionary branch of vertebrates?
Dichotomy in each of the six following criteria builds the vertebrate evolutionary branch: absence of mandibles separates cyclostomes from others absence of limbs separates fishes from the remaining absence of osseous skeleton separates chondrichthian (cartilaginous) fishes from osteichthyes absence of impermeable skin separates amphibians from the terrestrial vertebrates absence of warm blood (homeothermic body) separates reptiles from birds and mammals absence of mammary glands and hair separates birds from mammals.
The fishes belong to class Pisces under vertebrates. 2. In fishes, the respiratory system consists of mouth, pharynx, internal branchial apertures, branchial pouches and external b
Define Protein requirements of infants? Protein allowances of infants should meet both growth and maintenance requirements. Protein allowances are computed from the protein con
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What will happen to resting membrane potential if potassium succinate were injected into the intracellular environment (cytoplasm) of a neuron?
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