LS.9 Study Guide

What statement is true about the reduction of an ecosystems habitat?

• reducing habitat size increases resources and biodiversity

• reducing habitat size will decrease resources and biodiversity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If 2 bird populations have overlapping foods in their diet and 1 food is removed or reduced what will the result in the bird population be?

• increased cooperation

• increased competition

• increased resources

• increased biodiversity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What can you infer about the relationship between the rabbit and the fox?

• parasitism

• commensalism

• mutualism

• predator/prey

Tags

NGSS.MS-LS2-2

If portions of the rainforest are being burned what is the likely outcome?

• New soil

• Abundant resources

• loss of habitat

• improved nutrients int he soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which type of change will likely decrease the population of many species?

• Brown spiders disappear

• destruction of a 2 story buildy

• A wetland is filled in with soil to build vacation homes

• A warm summer with lots of rain

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Looking at the 2 Jetty images on the left.

Which jetty would be better for native fishes?

• Jetty A because it has more sunlight

• Jetty A because there is less erosion

• Jetty B because there are more places for fish to live

• Jetty B because of a decrease in temperature of the water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Habitat becomes a major factor in the extinction of a species when

• competitive species are introduced

• changes in behavior develop

• smaller breeds fail to reproduce

• genetic diversity is not achieved

Tags

NGSS.HS-LS4-5

A student measure the pH of a lake. What would most likely be the reason for this test?

• learn what organisms could live there

• determine the age of the lake

• determine the depth of the lake

• determine the temperature of the lake

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Scientist believe the pumpkin crop will be excceptional this year. What would be the cause?

• The nutrient soil

• The time they were planted

• How often the farmers tend the crop

• The time of day they are harvested

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What does endangered mean?

• Population numbers are getting low

• Habitats are disappearing

• There is too much competition

• Communities are cooperating more

Tags

NGSS.HS-LS4-5