Ecoregions A

Ecoregion Piney Woods #1

Why does the Piney Woods Ecoregion have less soil erosion?

• It doesn't rain

• Far away from the Gulf of Mexico

• Has very abundant (a lot) of plants and trees with long roots to keep the soil in place

• The animals will not allow erosion

Tags

NGSS.MS-ESS2-2

Ecoregion-- Gulf Coast Praries and Marshes #4

Wave action along Galveston beach causes what?

• Erosion- Waves carry away the sand

• Nothing

• Weathering of the mountains found there

• Creation of a delta

Tags

NGSS.MS-ESS2-2

When the mouth of the Brazos river enters the Gulf of Mexico , what landform does it create?

• Mountain

• Alluvial Fan

• Delta

• Moraine

Tags

NGSS.MS-ESS2-2

Ecoregion -Gulf Coast Praries and Marshes #4

Compare the photos dated from September 10,2008 and September 15,2008 and the destruction caused by Hurricane Ike

What caused the changes in the coastline (look at yellow arrow)?

• A canyon was created

• Deposition forming a delta

• A tsunami

• Erosion moved sand away from the beach

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Ecoregion -Rolling Plains #9

The Rolling Plains have periods of drought and sudden increase of rainfall forming canyons. Canyons were formed due to ------

• Settling of sediment

• Aquifer

• Erosion caused by rivers

• Glaciers melting

Tags

NGSS.MS-ESS2-2

Ecoregion- South Texas Brush Country

What causes the soil to erode away so easily?

• Humans come and harvest the rocks.

• Overgrazing of the land, rocky and dry soil has allowed nutrient-rich topsoil to erode way.

• High biodiversity

• Deposition of sediments at a fast rate

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-4

What does not currently effect an Ecoregion of Texas?

• Weathering

• Deposition

• Glaciers

• Erosion

Wind erosion is most lkely to produce-----

• Mountains

• Glaciers

• Delta

• Sand Dune

Tags

NGSS.MS-ESS2-2

Prarire grass may be better at preventing soil erosion because they are longer and can hold soil better in place.

• True

• False

Tags

NGSS.MS-LS2-3

The laying down of sediment ---

• Weathering

• Deposition

• Erosion

• Acid Rain