Group of phylum Chordata
State the group of phylum Chordata which first colonized the terrestrial environment? Which habitat from did they come?
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Amphibians, are partially aquatic and partially terrestrial animals, they were the first chordates which has colonized the dry land. They arise from the aquatic habitat and were originated from the fishes. Reptiles were the former completely terrestrial chordates.
State type of plant tissue is cork?
Briefly define the term malpighian organ?
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Write about the main cells of connective tissue proper? Specify the name given to intercellular material which surrounds these cells?
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Since neurotransmitters are not consumed in synaptic process, what are the mechanisms to decrease their concentrations in synaptic cleft after they have been employed?
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Describe the physiological systems which are termed as integrative systems? Why is this designation reasonable?
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