What is the first step in defining a specific problem within a local ecosystem?

• Collecting data

• Identifying a broad question

• Developing a hypothesis

• Analyzing data

Which of the following is a crucial factor in maintaining biodiversity within a local ecosystem?

• Introducing non-native species

• Preserving natural habitats

• Increasing urban development

• Reducing native species

Tags

NGSS.MS-LS2-5

What is a common method used to assess the health of a local ecosystem?

• Analyzing soil composition

• Observing weather patterns

• Counting the number of tourists

• Measuring air quality

Which action is most likely to lead to a sustainable local ecosystem?

• Increasing industrial pollution

• Expanding agricultural land

• Implementing conservation practices

• Overfishing local waters

Tags

NGSS.MS-LS2-5

Which of the following is a testable problem in a local ecosystem?

• Why is the sky blue?

• How does the amount of sunlight affect plant growth in the school garden?

• What is the meaning of life?

• Why do birds sing?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The health of an ecosystem is directly related to the:

• Air quality
• Amount of animals in the area
• Water quality
• Amount of food in the area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would indicate the greatest problem with the health of an ecosystem?

• There has recently been a change in the ecosystem’s weather.

• The ecosystem includes only a few kinds of plants and animals.

• The average temperature in the ecosystem has increased slightly over many years.

• The population of top predators increases and decreases in a regular pattern.

Tags

NGSS.MS-ESS2-5

NGSS.MS-LS2-4

What is a variable in the context of a data collection plan?

• A factor that can change

• A fixed number

• A type of plant

• A measurement tool

Which of the following is an example of quantitative data?

• The color of leaves

• The height of a plant in centimeters

• The texture of soil

• The smell of flowers

Which of the following is a qualitative variable?

• Number of insects

• Temperature in degrees Celsius

• Type of soil

• Length of a leaf in centimeters