Protecting Ecosystems

Water pollution and air pollution in an area have been steadily increasing. What can students do to educate other students about the needs in this area?

• Organize seminars.

• Ignore the problem.

• Help their parents around the house.

• Encourage other students to volunteer for workshops about recycling.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-ESS3-4

Which of the descriptors below cause soil pollution?

• Spreading chemical fertilizers on the ground.

• Mining

• Flooding

• Smoke from factories.

• Smoke from a forest fire.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

Which of the descriptors below cause air pollution?

• Smoke from factories

• Spreading chemical fertilizers

• Smoke from a forest fire

• Mining

• combustion of fossil fuels

Tags

NGSS.MS-ESS3-4

A neighborhood’s air quality has deteriorated over the past year. What can the neighborhood do to help this situation?

• Drive their cars more often.

• Use public transportation for travel.

• Walk or ride a bicycle when traveling short distances.

• Burn trash, leaves, and other waste.

Tags

NGSS.MS-ESS3-3

A natural disaster caused an ecosystem to experience a drop in species richness. What conclusions can be made about this ecosystem.

• Evenness changed from high to low.

• There’s decreased biodiversity in the ecosystem.

• Evenness changed from low to high.

• There’s increased biodiversity in the ecosystem.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What does it mean for an ecosystem to have "evenness among the species studied"?

• The population size between the different groups of species are similar.

• The population size between the different groups of species are different.

• All organisms within the ecosystem play an even role.

• All organisms within the ecosystem have an even size.

Tags

NGSS.MS-LS2-5

Which of the following would have a positive impact on the abiotic factors of an ecosystem?

• Keeping lakes and rivers free of pollution.

• Planting new trees to provide food for animals.

• Monitoring the ecosystem for bacterial pathogens that can cause illness.

• Mating endangered animals in captivity and restoring them to their natural habitat.

Tags

NGSS.MS-LS2-5

Which of the following would help maintain the native biodiversity in a forest ecosystem?

• Introducing invasive species into the forest.

• Building a hydroelectric dam on a river that runs through the forest.

• Cutting down trees to construct roads and homes.

• Passing laws to prevent hunting during the animals’ mating seasons.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

When monitoring the species on an island, scientists found several members of a new species they had never seen before in their sample. What could this new species mean?

• A native species has changed its range.

• An invasive species has been introduced into the area.

• The scientists failed to detect the species in their previous evaluations of the area.

• The species isn’t a part of the ecosystem.

Tags

NGSS.MS-LS2-4

Which of the following is an example of "reusing."

• Using a grocery bag to line a trash bin.

• Taking bottles and cans to a recycling center.

• Using paper plates and cups.