Midwest region is an important breeding area for the monarch. butterfly and is also home to several imperiled species of. bumble bees and butterflies. Pollinators in the Midwest. maintain healthy, productive plant communities, provide. food that sustains wildlife, and play an essential role in crop. production.
A eukaryotic cell has a membrane-bounded nucleus. Cells of this type are found in protoctists, plants, fungi, and animals. Humans are eukaryotes, as are oak trees, mushrooms, and amoebas.
Unicellular protozoa and algae are unicellular eukaryotes. Pluricellular algae are also eukaryotes of simple structure. Protists are believed to be the phylogenetic ancestors of the living organisms of the other eukaryotic kingdoms (fungi, animals and plants).