Changes in Populations Quiz

The clownfish is protected by the sea anemone from predators, while the clownfish lures in food for the sea anemone. What type of symbiotic relationship?

• Mutualism

• Parasitism

• Commensalism

• Competition

What happened to the rabbit population after 2002?

• It remained constant as the birth and death are equal

• It declined due to a new predator

• It reached its carrying capacity

• It increase because more food became available

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The city wants to eliminate one of the two water treatment plants in order to save money. This would then allow water quality to be monitored at only one river in the area. The EPA is concerned this may lower water quality. Why is it important for the EPA to monitor water at all rivers in the area?

• Collection of data is not relevant to the city's decision as they will not determine the effect until after the change has been made

• Monitoring the environment ahead of time will allow the EPA to evaluate the impact of water quality relying on just one river site

• Monitoring water quality before the elimination of testing at area rivers determines the amount of toxic substances the environment can handle

• Showing the high water quality before the cutback will support the city's decision as water quality can't deteriorate

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Wildlife bridges are pathways that allow wildlife to avoid crossing a highway. A scientist wants to know if the bridges could help an endangered species in the area. How could the scientist best monitor if more wildlife bridges should be built to protect an endangered species?

• Look at the total number of deaths of the endangered species before and after the wildlife bridge is built

• Count the population after the bridge is built

• Use a camera to see if the endangered species use the bridge to avoid the highway

• Count the total endangered species population before and after the bridge is built

Tags

NGSS.MS-ETS1-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The relationship between Cheetahs and zebras in Africa depicts the predator-prey relationship. Since the zebras are a main prey of the cheetah, researchers have realized a food shortage as the cheetahs are eating too many zebras. This keeps the cheetah population in check. How does this relationship affect this populations?

• The relationship controls the population size of both species

• The predator or prey will become extinct

• The predator and prey are in competition with each other

• The predator species has exponential growth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The graph below shows the results of an experiment where the two populations have a relationship. The first two graphs show the populations separated then the last graph shows them mixed together. What type of relationship do these two populations have together?

• P. caudatum is a parasite of P. aurelia

• P. caudatum shows commensalism with P. aurelia

• P. aurelia shows mutualism with P. caudatum

• P. aurelia is a parasite or P. caudatum

Tags

NGSS.MS-LS2-1

Lake Nona had an increase of 10% of their population. As a result the city officials have planned to build more homes, supermarkets, clothing stores, and restaurants. What should the local government consider about the effects of the local ecosystem prior to approving the plan?

• The impact of the development on the types of products that will be sold

• The type of store that will be present in the commerce center

• The risk of a loss of biodiversity in native species

• Financial obligations to the developer

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What type of relationship is demonstrated by these organisms when living together?

• Parasitism

• Predation

• Competition

• Mutualism

Tags

NGSS.MS-LS2-2

In Flint, Michigan, Lead was found in their water as the government officials switched to a toxic water source. Also, lead was used in the plumbing of houses and ended in 2014. Scientists had some concerns with lead poisoning as it caused autism in children and kidney problems in adults. How does the story of lead show the importance of continued monitoring of ecosystems?

• Monitoring is not important as long as the product is tested before being released

• Monitoring is important to ensure a product does not have unintended consequences on the ecosystem

• Monitoring is important to make sure the product is effective

• Monitoring is not important because any damage can be fixed

Tags

NGSS.MS-ESS3-3

The Florida Panther is an endangered species. Its main food source is the White Tailed Deer. What would happen to the deer population if the panther population decreased in size?

• It would increase and then level off

• It would not be affected

• It would increase

• It would decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4