Biology Unit 1

Which of the following is an example of an organism maintaining homeostasis??

• A plant using the openings on its leaves, stomata, to exchange gases and evaporate water to allow more water to get into the plant

• A Runner perspiring while running on a hot summer day

• The human body releasing insulin to keep blood sugar steady

• The maintain ace of a body temperature around 98.6 degrees F

• All of the above

Tags

NGSS.HS-LS1-3

which of the following represents the smallest level of biological organization?

• organs

• populations

• cells

• tissues

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What conclusion can be drawn from the graph shown?

• Atmospheric carbon dioxide levels have been decreasing over time.

• Atmospheric carbon dioxide levels are responsible for global temperature changes.

• Atmospheric carbon dioxide levels have been increasing over time.

• Atmospheric carbon dioxide levels have remained the same over time.

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What is the dependent variable for this graph?

• Number of individuals in population

• time (years)

What does a THEORY explain?

• Explains someone's opinion

• Explains a wide range of observations

• Explains the control group

Which variable is manipulated or changed in an experiment?

• Constant variable

• Dependent variable

• Independent variable

Quantitative data is reported as:

• Numbers

• Written Data

• Observations

• Visual Data

Based on an observation you make, you suggest that different brands of crayons melt at different temperatures. This statement is a _____

• Inference

• Hypothesis

• Observation

• Bias

Variable that is observed and that changes in response to the independent variable

• Dependent Variable

• Independent Variable

• Control Group

• Constants

Experiment in which only one variable is changed

• Observation

• Biased Experiment

• Controlled Experiment

• Dependent Experiment