Ch. 1 and Intro to Bio

What are the smallest units of living things?

• organisms
• cells
• ecosystems
• populations

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

To observe a LIVING organism a biologist would use what tool?

• Transmission Electron Microscope
• Scanning Electron Microscope
• Compound Light Microscope
• Cell Culturing

Which of the following is a characteristic of all living things?

• All reproduce
• All are made of cells
• All are made of DNA
• All choices are correct

Tags

NGSS.MS-LS1-1

The variable that is deliberately changed in an experiment is known as what?

• Dependent Variable
• Independent Variable
• Control Group
• Controlled Variable

What variable is the measurement in an experiment?

• Dependent Variable
• Independent Variable
• Control Group
• Controlled Variable

Tags

NGSS.MS-PS3-4

A hypothesis is only useful if

• it can be proven with observations only
• it can't be tested
• it can be tested with an experiment
• it becomes a�theory

A hypothesis is developed after

• thorough background research
• an experiment
• once a conclusion is formed
• a control group

The idea that live comes from nonliving things is known as what?

• variable data
• metabolism
• homeostasis
• spontaneous generation

What does homeostasis mean?

• the internal balance of living things
• the universal genetic code
• spontaneous generation
• metabolism

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-5

What are the independent and dependent variables for Redi's experiment?

• IV = uncovered jars & DV�= �maggots on meat
• IV = maggots on meat & DV = covered �jars
• IV = Curved neck & DV = microorganisms present
• IV = covered jars & DV = maggots on meat