CLASSIFICATION Crossword

a fibrous substance consisting of polysaccharides, which is the major constituent in the exoskeleton of arthropods and the cell walls of fungi.
a body of algal or fungal cytoplasm containing several nuclei, enclosed in a single membrane.
on or relating to the earth.
a microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria.
a type of kingdom
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
a segmented worm of the phylum Annelida, such as an earthworm or leech.
a principal taxonomic category that ranks above class and below kingdom, equivalent to the division in botany.
a flowering plant with an embryo that bears a single cotyledon (seed leaf).
an organism deriving its nutritional requirements from complex organic substances.
a flowerless green plant which comprises the ferns and their relatives.