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- 1. Multiple ChoiceIn a controlled experiment,there are at least two variablesa control group is compared with one or more experimental groupsa variable is not neededshould only be conducted one time
- 2. Multiple Choice
A life scientist who observes the relationships between plants, animals, weather and soil on a mountaintop is studying a(n)
community
ecosystem
population
organism
- 3. Multiple Choice
Which of the following statements best describes the composition of air?
air is only made up of nitrogen
air is only made up of oxygen
air is only made up of carbon dioxide
air is made up of a mixture of different gasses
- 4. Multiple Choice
Carbohydrates are made up of which monomers (smallest units)?
amino acids
nucleotides
simple sugars (glucose)
fatty acids
- 5. Multiple ChoiceWhat can you find by working through the statements of a dichotomous key?how long a fungus can livewhen a species first appeared on Earththe scientific name of an organismhow many animals are birds
- 6. Multiple Choice
The scientific name for a house cat is Felis catus. What is wrong with how this is written?
the species should also be capitalized
the genus should also be lowercase
the genus should be lowercase and the species should be capitalized
the whole thing should be italicized
- 7. Multiple Choice
The diagram shows two different organisms, a plant and a bird. Which phrase best describes the classification of these two organisms?
same kingdom, same species
same kingdom, different species
different kingdoms, different species
different kingdoms, same species
- 8. Multiple Choice
The diagram shows a rock being placed in a graduated cylinder containing water. What is the volume of the rock? (Note: 1 mL = 1 cm3)
5
8
10
12
- 9. Multiple Choice
All good science begins with ______________.
making observations and asking questions
memorizing the textbook
jumping jacks
falling asleep during class
- 10. Multiple Choice
In science, models are used to ________________.
simplify complex ideas
share ones thoughts with others
show how different parts work together
all of the other options are good answers.
- 11. Multiple Choice
The methodic study of the natural world to give explanations based on evidence
science
knowledge
skills
biology
- 12. Multiple Choice
Putting pieces together, like doing a puzzle, and using the information to draw a new conclusion is known by which of the following terms?
analyzing
observing
inferring
evaluating
- 13. Multiple Choice
Which of the following is NOT a characteristic of life?
living things are composed of cells
living things need to obtain and use energy
living things have adaptations that help them survive in their habitat
living things need to be able to move
- 14. Multiple Choice
Which level of classification is the most general and includes the largest number of organisms?
Domain
Class
Family
Species
- 15. Multiple Choice
Which level of classification is the most specific and includes only one type of organisms?
Domain
Class
Family
Species
- 16. Multiple Choice
Which domain includes prokaryotes that often live in extreme environments?
Archaea
Bacteria
Ekarya
Cordata
- 17. Multiple Choice
Which laboratory tool should be used to measure out a fluid?
graduated cylinder
test tube
triple beam balance
Bunsen burner
- 18. Multiple Choice
What type of cell has a nucleus and other membrane bound organelles?
eukaryotic cell
prokaryotic cell
unicell
multicell
- 19. Multiple Choice
Who is credited with creating the first compound light microscope?
the Jensen's
Leeuwenhoek
Hooke
Pasture
- 20. Multiple Choice
What units do we use to measure the amount of energy in food?
calories
millimeters
volts
grams
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