Define the term branchiae
Define the term branchiae? What are illustrations of animals which “breath” via branchiae?
Expert
Branchiae, as well termed as gills, are small parts of richly vascularized tissues internal or exterior to the body and in direct contact with surrounding water. The gills are organs which make gas exchange in the aquatic annelids, fishes, crustaceans, and amphibian larvae (example: tadpoles).
In which period of meiosis, the pairing of homologous chromosomes take place?
Give the name of the larval phase of polychaetes? Answer: Among annelid groups only polychaetes present a larval phase. Their larva is termed as trocophore.
Name the phenomenon termed as red tide? Which ambiental problems can it cause?
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Does pH influence the enzyme activity?
Classify three main arthropod classes according to the number of limbs?
How fecundations are different in osteichthyes and in chondrichthyes?
Write down two a main group in which flowering plants is divided?
Define the term extracellular digestion?
Using illustrations of invertebrate nervous systems how can the procedure of evolutionary cephalization be explained?
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