Biosphere

Which action does not demonstrate resource conservation?

• using paper plates

• collecting rainwater

• using a reusable water bottle

• turning off electric devices when not in use

Which changes will MOST likely have a negative effect on an ecosystem?

• building a road

• planting a tree

• adding a freshwater source

• creating a nature sanctuary

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which is an abiotic factor that affects the condition of a biome?

• water

• grass

• decomposers

• birds

Tags

NGSS.MS-LS2-4

A lack of rain limits the growth of vegetation in a grassland biome. How will the lack of rain affect the field mice in the biome?

• The population of field mice will decrease.

• The population of field mice will increase.

• The population of field mice will remain the same.

• The population of field mice will immediately increase and then decrease.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which statement best explains why a deciduous forest biome has more vegetation than a desert biome?

• The deciduous forest has richer soil.

• The deciduous forest receives less rainfall.

• The deciduous forest receives less sunlight.

• The deciduous forest has cooler temperatures.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

The grassland biome receives very little rain. How will this most likely affect vegetation?

• There will be few trees.

• There will be many trees.

• The plants will have shallow roots.

• The plants will grow to a greater height.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Which of the following is MOST likely to disrupt a wetland ecosystem?

• construction of a housing development

• planting native wildflowers

• a period of heavy rainfall

• a lightning strike

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

When studying the health of an ecosystem, ecologists consider many factors. Which factor is LEAST likely considered by ecologists when evaluating the impact of human activities on an ecosystem?

• solar radiation

• plant diversity

• air quality

• thermal pollution

Tags

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

Approximately 50 million acres of tropical rainforest are cleared each year. Which effect MOST likely would result from the clearing of these forests?

• a decrease in biodiversity

• a decrease in soil erosion

• an improvement in air quality

• an improvement in water quality

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5

Deforestation in the rainforest can lead to localized extinctions of populations of some organisms. Once an area is deforested, which is MOST likely to decrease and result in organisms’ extinctions?

• diversity of the resources in the habitat

• the energy available to producers

• competition between consumers

• the amount of annual rainfall

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1