Changes in Enviornment

What is a dynamic system?

• A system that is unaffected by environmental factors

• A system characterized by constant change

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS2-3

What often happens to ecosystems as resources fluctuate and populations rise and fall?

• They immediately collapse

• They change gradually

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is an example of a change in an ecosystem due to less water?

• A shallower pond over time

• Trees grow taller

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What thrives when wetland plants like cattails are present?

• Wetland animals such as dragonflies, frogs, and turtles

• Aquatic populations

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is ecological succession?

• The process by which ecosystems remain static and unchanging

• The predictable way that ecosystems change from one type to another over time

Which of the following is NOT true about ecological succession?

• It typically refers to a pattern

• It happens overnight

What can cause a sudden change to ecosystems?

• Volcano Eruption

• Species adaptation

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

What happens after lava from a volcano eruption cools?

• It begins going through ecological succession again

• The ecosystem immediately returns to its original state

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

How does the new ecosystem compare to the previous one after ecological succession?

• It can be very similar to or very different from the previous ecosystem

• It is always very different from the previous one

Which of the following is NOT an example of human activity that can affect ecosystems according to the text?

• Construction

• Volcanic eruptions

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5