Science Ecology

This is an example of a short term environmental change.

• urbanization

• forest fire

• pollution

Tags

NGSS.MS-LS2-4

Which one of these is a long term environmental change?

• volcano erupting

• fire

• pollution

• drought

Tags

NGSS.MS-ESS3-4

These animals have come from another country or area to a new ecosystem.

• autotrophs

• heterotrophs

• consumers

• invasive species

In this dichotomous key, what is species "C" called?

• dragonfly

• bee

• firefly

• ladybug

When looking at a dichotomous key to identify a species, where should you always start to complete the key?

• 2a and 2b

• 3a and 3b

• 7a and 7b

• 1a and 1b

Texas ecoregions are constantly changing due to natural and human impacts. What characteristic, we have studied, can increase an ecosystem's ability to withstand change?

• Survival of the Fittest

• Photosynthesis

• Natural Selection

• Biodiversity

Tags

NGSS.MS-LS2-5

This Texas ecoregion experiences little erosion due to its rich soil with much vegetation where trees are the main plant life.

• Woodlands

• Plateau and Desert/Montane

• Plains

• Prairies

Tags

NGSS.MS-LS1-5

What was the effect of overgrazing in the Desert/Montane?

• Increased erosion of the soil

• Change from a grassland to desert

• Plant life is scarce

• All the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The landscape of the Texas Prairies has changed due to _____.

• periodic fires

• grazing of bison and livestock

• humans making cropland/farmland

• All the above

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

In the Plains, soil erosion due to rain is lessened by ______.

• plenty vegetation ground cover

• plowing and planting along curves

• efficient irrigation systems that use less water

• All the above

Tags

NGSS.MS-LS2-5