Across
- 1. A kingdom of unicellular, prokaryotic organisms that live in extreme environments and produce methane (examples: Methanogens, thermophiles,and halophiles)
- 6. A long, hair-like whip that is used for movement
- 8. A long molecule made of amino acids and sugars which makes up the cell wall of some organisms
- 11. The science of classifying living things
- 14. Organisms that must obtain their energy from an outside source; they cannot make their own food
- 16. Composed of many cells
- 17. A kingdom of multicellular, eukaryotic, heterotrophs, whose cells do not have cell walls (examples: humans, dogs, cats etc.)
- 18. A single cell
Down
- 2. A polysaccharide found in the outer skeleton of insects, crabs, shrimps, and lobsters and in the cell walls of fungi
- 3. A classification grouping consisting of six groups
- 4. A kingdom of eukaryotic organisms that do not fit into the plant, animal or fungi kingdom. This is a very diverse group. (examples: Paramecium, Euglena)
- 5. A kingdom composed of heterotrophic, multicellular organisms that absorb dead or decaying matter for energy
- 7. An organism that can make its own energy
- 8. Multicellular organisms that contain chloroplasts and are autotrophs
- 9. Cells that lack a true nucleus; they do contain DNA or RNA
- 10. An organism that manufactures its own food through chemosynthesis (the oxidation of inorganic chemical compounds)
- 12. An organelle found in plants and some single cells that converts energy from the sun into glucose or sugar for the organism
- 13. A kingdom of unicellular, prokaryotic organisms that are very diverse(examples: Streptococcus; E. Coli)
- 15. Cells with a true nucleus, their DNA is surrounded by a nuclear membrane