5 Written Questions

1. : trees give off oxygen, humans breath in oxygen, humans breath our carbon dioxide, trees absorb carbon dioxide
2. homogenous mixture formed when a substance is dissolved in another substance
3. energy generators
4. the role the organism has within its habitat
5. if and then statement - statement about how you feel something is going to happen - must be testable

5 Matching Questions

1. atomic number
2. cytoskeleton
3. types of producers
4. four kinds of organic compounds found in living things
5. level of ecological organization

1. a autotroph & heterotroph
2. b Carbohydrates, lipids, proteins, nucleic acids
3. c organism, population, biological community, ecosystem, biome, biosphere
4. d the number of protons found in the nucleus of an atom
5. e a supporting network, of long thin protein fibers that form a framework for the cell

5 Multiple Choice Questions

1. hydrogen, oxygen, carbon, and phosphorus - made up of DNA and RNA
   1. nucleic acids
   2. biotic factor
   3. ionic bond
   4. nutrients
2. a system of ideas in order to explain something - supportive
   1. Niche
   2. cell theory
   3. theory
   4. herbivores
3. vesicles that contain substances that digest bacteria and viruses that have entered the cell
   1. enzymes
   2. lysosomes
   3. osmosis
   4. ribsomes
4. chemical reaction: is the process by which atoms in substances are reorganized into different substances
   1. kinds and function of carbohydrates
   2. charge of electrons
   3. chemical reaction/chemical changes
   4. cell membranes
5. diffusion of water across a selectively permeable membrane
   1. isotopes
   2. biomass
   3. ions
   4. osmosis

5 True/False Questions

1. function of nucleus → protects and supports the cell

   True        False

2. controlled experiment → experiment in which you test one changing the variable

   True        False

3. metric system → a substance that is essential for growth and maintenance

   True        False

4. robert hooke → first to study and record cells

   True        False

5. levels of biological organization → the study of life - they study life

   True        False