Chemical messengers to send information
move molecules in and out of cells
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Both unicellular and multicellular organisms can have DNA, cell membrane, cytoplasm, and ribosomes. However, multicellular organisms typically have specialized cells, tissues, and organs that may not be present in unicellular organisms.
Sponges are Eukaryotic. They are multicellular, and their cells contain membrane-bound organelles.
Multicellular organisms are made of eukaryotic cells, which are defined by the presence of a nucleus and other membrane-bound organelles. Eukaryotic cells are more complex than prokaryotic cells, which lack a nucleus.
Multicellular organisms are made up of specialized cells that work together to carry out various functions, while unicellular organisms are single-celled entities that perform all functions by themselves. Multicellular organisms have cell differentiation and division of labor, whereas unicellular organisms are capable of independent existence. Multicellular organisms have a higher level of cellular organization and complexity compared to unicellular organisms.
No, an insect is not a prokaryote. Insects are multicellular eukaryotic organisms, while prokaryotes are unicellular organisms that lack a true nucleus and membrane-bound organelles like bacteria.