The Tree of Life: Part 3

The tree of life, as scientists understand it, is not static – it changes. Classification systems have changed with science’s understandings of the diversity and organization of the living world, so don’t think that we know it all! Prior to the 1970s, scientists generally classified living things as Bacteria or Eucarya. The scientific community was […]


A eukaryote is an organism whose cells are organized into complex structures enclosed within membranes. Many living organisms we are familiar with, including all animals, plants, and fungi, are eukaryotes. The defining membrane-bound structure that differentiates eukaryotic cells from other types of cells is the nucleus. Cells without a nucleus are called prokaryotic cells, and […]

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The MSP project is funded by an ESEA, Title II Part B Mathematics and Science Partnership Grant through the Montana Office of Public Instruction. MSP was developed by the Clark Fork Watershed Education Program and faculty from Montana Tech of The University of Montana and Montana State University, with support from other Montana University System Faculty.