Kingdom Protista<span>. NOTE: The current system of classification for eukaryotes has been changed. In 2005, based on new phylogenetic data </span>the kingdom Protista<span> was split into 5 supergroups. ... Protists belong to </span>the Kingdom Protista<span>, which </span>include<span>mostly unicellular organisms that do not fit into the other kingdoms.</span>
Pseudopodia are temporary projections of the cell membrane of eukaryotic cells. And by temporary, it means that it is not a fixed structure. Single-celled organisms characterized by the ability to form arm-like protrusion that can be protracted or retracted are referred to as amoebae.
Mitosis is responsible for growth, repair and maintenance of an organism because it produces all the daughter cells that are genetically identical to one other and therefore creates new available cells that are specific to each tissue for growth and repair.
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Answer:
While humans, as well as other vertebrates, have a closed blood circulatory system (meaning that the blood never leaves the network of arteries, veins and capillaries), some invertebrate groups have an open circulatory system containing a heart but limited blood vessels.
Explanation: