Question | Answer |
microorganisms | a very small organism that can be seen only with a microscope. |
kingdoms | one of six large groupings of living things that have common characteristics. |
binary fission | a form of asecual reproducition by which some single-celled organisms reproduce. The genetic material is copied, and one cell divides not two independent cells that are each a copy of the original |
virus | a nonliving disease causing particle that uses the materials inside cells to make copies of itself |
bacteria | a large group of one-celled organisms that sometimes cause disease |
archaea | single-celled organisms without nuclei that can survive in extreme environments |
producers | An organism that captures energy from sunlight and trandsforms it into cheical energy that is stored in energy-rich carbon compounds |
decomposers | an organism that feeds on a dead oragnaism and breaks down dead plant or animal matter |
parasites | an organism that absorbs nutrients from the body of another organism, ofter harming it in the process |
host cells | a cell that a virus infects and uses to make copies of itself |
algae | protists that live mostly in water and use sunlight as a cource of energy |
plankton | mostly microcopic organisms that drift in great numbers through bodies of water |
protozoa | animal-like protists that eat other organisms or decaying parts of other organisms |
methanogens | viruses that produce methane and die when exposed to oxygen |
halophiles | viruses that live in salty lakes and ponds and may die if water isn't salty enough |
thermophiles | archaea that live in extream weather like cold or hot |
euglena | single-celled organisms that move like animals but get energy from sunlight |
diatoms | single-celled algae the float around covered by hard shells |
seaweed | multicellular protist that floats in water |
pathogen | harmful bacteria |