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determine about the term - copper copper is known to act as an electron carrier in enzymes which bring about oxidation - reduction and regulates
state in brief about the zinc it is concerned with the functioning of sulphydryl compounds such as cysteine in regulation of redox potential
determine about the manganese manganese performs some functions in photosynthesis and acts to regulate the intake of certain elements and
what do you understand by arthropodizationmany of the traits that we consider unique to the arthropoda may not be independent traits instead they may
define the term archenteronthe name given to the primitive gut the first tube that runs through the developing embryo and is open to the external
define the term ancestral characteristic a character shared by all members of a taxonomic group of organisms taxon and used to define the unique
determine the term anapsid the type of skull found in reptiles and seen today only in turtles behind the opening of the orbits the skull is solid and
signify the term - analogy analogousrefers to structures that do not have the same evolutionary origin but have the same functions the wings of a bat
what do you understand by amphidunique to the nematodes these paired sensory structures are located on the sides of the head an external pore leads
determine the following term - amniote eggeggs that shelter the developing embryo in a water-filled sacmdashthe amnion characteristic of the amniote
express the term - amnionone of the extraembryonic membranes found in terrestrial vertebrate the amnion is filled with fluid and the developing
describe the term - ambulacral groovethe groove that runs down the oral surface of each echinoderm arm and contain the tube feet if the region
what is allantoisone of the extraembryonic eggs found in the amniote animals the allantois contains the metabolic wastes created by the developing
what do you mean by advanced charactersthe traits or characteristics that an animal has that are not ancestral to the taxon they appear later in the
discuss the following term in brief - adaptive radiationevolution of a variety of different species from a single common ancestor each is adapted
define the term - acoelomatetriploblastic animals which do not have an internal body cavity this includes flatworms and ribbon worms however the term
what do you understand by term - acanthusthe egg and larval phase of an acanthocephalan which passes from the female parasite to the feces of
in radially symmetric animals there is no posterior or anterior right sides to the animal rather we refer to two sides of the animal by referring to
in organisms that have undergone tagmosisthe trunk often develops into two tagma oneinvolved in locomotion and one that is notlocomotory the tagma
tests of shelled amoebas are made from a variety of substances including sand grains chitin and substrate calcium salts and even silica these shells
sarcodine protozoans are amoebas and there are two types of them shelled and naked as you examine the prepared slides you should be able to see water
in protozoans flagella are found always one per cell flagella and cilia can generate substantial force as they try to push or pull a protozoan
cilia and flagella share a common structure with a microtubular core which has a 92 organization with nine paired doublets of microtubules
protozoans ingest food by phagocytosis and consequently the ingested food is surrounded by a plasma membrane creating a food vacuole or phagosome
the water expulsion vesicle also known as a contractile vesicle is an important osmoregulatory organelle in freshwater protists which are