NGSS.MS-LS2-4

Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

Tags

NGSS.MS-LS2-4

Many common products, such as wooden furniture, paper, and books, are made from trees. Which of the following is a likely consequence of humans cutting down a forest in order to make use of the natural resources there? 

• the decrease of chemical runoff into the oceans
• increased acid rain
• the increase of light pollution in cities
• the destruction of habitats

Tags

NGSS.MS-LS2-4

Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This level of direct harvesting could cause

• ecosystems to be improved for future generations
• ecosystems to be severely damaged
• the restoration of environmental stability
• all other fish species to increase in number

Tags

NGSS.MS-LS2-4

A possible way to prevent wildlife species from becoming endangered is?

• stopping mining underground.

• make land available for local farmers.

• increase local ground water.

• establishing more habitats.

Tags

NGSS.MS-LS2-4

What is true about sustainability?

• Having a small number of species increases biodiversity

• Sustainability is how organisms change over time

• Sustainability is how much rainfall and sunlight an ecosystem receives

• The more different types of species you have (biodiversity) the better an ecosystem can sustain itself

Tags

NGSS.MS-LS2-4

Invasive species cause harm to the --- [choose 3]

• economy.

• atmosphere only.

• environment.

• health of organisms.

• water only.

Tags

NGSS.MS-LS2-4

Which will occur if humans continue to overload water systems with excess nutrients?

• chemosynthesis

• eutrophication

• nitrification

• photosynthesis

Tags

NGSS.MS-LS2-4

Who does water pollution impact?

• Shrek and his swamp

• Animals only

• Only us people

• Everything on the planet

Tags

NGSS.MS-LS2-4

What can happen to fish when there is not enough oxygen in the water?

• They can suffocate

• They can't float

• Nothing. Fish don't need oxygen.

Tags

NGSS.MS-LS2-4

How would excessive increases in nitrate and phosphorus concentration affect freshwater systems?

• It would cause excessive algal blooms.

• It would cause increased dissolved oxygen.

• It would cause increased water clarity.

• It would cause extremely cold water.

Tags

NGSS.MS-LS2-4