Succession, WED, and TX Ecoregions RETest

In order to be __________, an ecosystem should have a good variety of both plant and animal species.

• ecosystem

• sustainable

• environment

• community

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Ecosystems are more sustainable when they have a variety of organisms. This variety of organisms living in one habitat is called ​ (a)  

• biodiversity
• community
• population
• ecosystem

Tags

NGSS.MS-LS2-5

Delta is a landformed that is formed at the mouth of a river. This is an example of ​ (a)  

• deposition
• weathering
• erosion

A student was walking near a creek and noticed that the rocks on the river banks were smooth and rounded. ​ (a)   MOST LIKELY caused the rocks to be weathered in this way?

• Water
• Wind
• Gravity
• Chemicals

Tags

NGSS.MS-ESS2-4

Match the following

• Breaking down of rock

• Erosion

• Movement of sediment

• Deposition

• Settling of sediment

• Weathering

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Rio grande is a river that seperates Texas from Mexico. The riverbed was created from erosion by ​ ​ (a)  

• water
• glaciers
• plate collision
• volcanoes

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Frost wedging happens when water freezes in a crack of a rock and expands causing the rock to break. Which type of weathering is frost wedging?

• mechanical (physical)

• chemical

• erosion

• deposition

Central Texas has many caves that were created by underground rivers flowing through limestone. Caves are an example of ​ (a)   weathering.

• chemical
• physical
• mechanical
• freezing

Match the following

• Final Stage of Ecological Succession

• Secondary Succession

• First living organisms in ecological succession

• Primary Succession

• Occurs after a fire, flood, end of life event

• Pioneer Species

• Begins with bare rock

• Climax Community

Which of these would grow back FIRST after a fire in a pasture?

• shrubs

• trees

• grasses

• rock