Intro to Biology ch. 1

What are the smallest units of living things?

• organisms
• cells
• ecosystems
• populations

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

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

• All reproduce

• All are made of cells

• All get and use energy

• 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 measured in an experiment?

• Dependent Variable

• Independent Variable

• Control Group

• Controlled Variable

A hypothesis is developed after

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

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

• symbiosis

• 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

Which group is left under normal conditions and used for comparison in an experiment?

• control group
• experimental group
• independent variable
• dependent variable

How many variables are tested in a controlled experiment?

• 4

• 3

• 2

• 1

Tags

NGSS.MS-PS2-2

Which level of organization includes all the others?

• ecosystem

• community

• population

• non-living factors