Why are blue crabs considered biotic factors in an ecosystem?

Because they are living organisms

Because they are made of minerals

Because they are a type of soil

If you were to add "water" to the chart, under which category would it go and why?

Abiotic Factors, because water is non-living

Biotic Factors, because water is alive

Biotic Factors, because water supports life

Abiotic Factors, because water is a plant

If you were to explain why different sections of Virginia flow to different bodies of water, which factor would be most important to consider?

The direction of the land's slope and watershed boundaries

Why is it important for the students to take action to protect the watershed?

Watersheds like the Chesapeake Bay watershed provide habitats for wildlife, and pollution in streams can harm both the environment and public health.

Watersheds only affect the areas directly next to rivers, so cleaning up trash near streams helps control flooding in nearby neighborhoods.

Watersheds prevent rain from falling in their area, so protecting them ensures there will always be enough water for crops and gardens.

Watersheds keep all pollutants in one place, so cleaning them ensures water in the ocean will stay clean and safe for swimming.

Which sentence would best complete this article about changes in freshwater availability?

These changes highlight the need to protect and manage water resources carefully for the future.

These changes cannot be affected by humans, who should consider moving to areas where freshwater is easily available.

These changes explain why the amount of freshwater is unlimited worldwide.

These changes suggest that managing water resources is not necessary at this time.

Which of the following would provide the best reason for commercially developing a wetland area, and involve the least amount of harm?

A university will develop research facilities and environmental monitoring stations throughout the wetland area, and will build the facilities on raised platforms.

A shopping mall will be built in the wetland area to create jobs, with parking lots covering much of the space.

A residential neighborhood will be developed in the wetland area to provide new housing, requiring the wetland to be drained.

A factory will be built in the wetland area to produce goods, with waste being discharged into nearby streams.

Based on the measurements in the chart, which water quality indicator should be addressed first as it is excessively out of range to improve the health of the ecosystem?

Turbidity, because it is far above the healthy range and can block sunlight and harm aquatic plants.

Dissolved Oxygen, because it is below the healthy range and critical for aquatic life.

pH Level, because it is the only indicator within the healthy range.

Nitrate Levels, because they are above the healthy range and may contribute to algae growth.

A town wants to develop a large piece of land to build homes, stores, and parks while minimizing negative impacts on the environment. Which of the following land-use plans best achieves this goal?

Build homes and stores on already cleared land, preserve forests and wetlands, and create green spaces to reduce runoff and support wildlife.

Clear-cut all trees in the area to make room for buildings and pave over streams to ensure the land is easy to develop.

Drain any wetlands on the property to allow more land for buildings and rely on imported soil to grow plants in new locations.

Construct buildings and roads throughout the entire property, then plant a few trees afterward to replace what was removed.

A community is deciding whether to build a coal-fired power plant or a wind farm to generate electricity. Which of the following best explains the effects of each energy source on human health and safety?

Coal-fired power plants produce air pollution that can harm human health, while wind farms generate clean energy without releasing pollutants into the air.

Coal-fired power plants are safer because they require less maintenance, while wind farms often produce harmful chemicals during operation.

Coal-fired power plants improve air quality by filtering pollutants, while wind farms can cause severe air pollution.

Coal-fired power plants are safer for nearby residents, while wind farms create dangerous gases that affect human health.

Read the excerpt from an article about unclean drinking water in Flint, Michigan. Which of the following conclusions can best be drawn from this article?

It is important to balance costs with the public’s need for clean drinking water.

It is important for communities to get water to their residents as cheaply as possible.

Public water is too expensive and people should have to build their own wells.

There is no way to make sure that water is safe for drinking.

What practices in this community have helped reduce environmental hazards and improve land use? Choose 2 correct answers.

Building up rather than out minimizes the amount of land that needed to be developed.

The community is walkable, which will cut down on the need for cars and other carbon-emitting vehicles.

The lack of a nearby river will ensure that the community does not flood during heavy rains.

People on the top floors of buildings will have better views, which will lead to improved mental health.

A group of scientists is studying the health of oysters and the growth of algae in the Chesapeake Bay. They notice that areas with high algae growth have fewer healthy oysters. The scientists discovered that the algae grow rapidly when too many nutrients, like nitrogen and phosphorus, enter the water from farms and cities. Which of the following best explains how these factors affect water quality and the ecosystem in the Chesapeake Bay?

Excess nutrients in the water cause algae to grow quickly, which reduces oxygen levels, making it harder for oysters and other aquatic life to survive.

Excess nutrients in the water make it cleaner, helping algae and oysters grow faster and improving the ecosystem’s health.

High levels of nutrients in the water make oysters immune to disease, which helps increase their population.

High algae growth cleans the water by removing nutrients, and improving conditions for oysters and other aquatic life.

Which of the following are the best ways to maintain water quality within a watershed? Choose two correct answers.

Preserving wetlands to filter pollutants and provide habitat for wildlife.

Using rain barrels or other methods to collect and reuse rainwater.

Replacing soil with concrete so that there is less run-off during rainstorms.

Using fertilizers on crops to help ensure that they grow.

Building factories next to rivers so that they have somewhere to put their toxic waste.

Which of the following are the most likely ways that the world’s growing population and increased resource use are affecting Earth’s systems?

Increased use of natural resources leads to deforestation, higher carbon emissions, and climate changes.

The world’s growing population improves air quality and reduces water pollution by using more natural resources.

Increased use of natural resources does not affect the Earth because the environment replenishes them automatically.

The world’s growing population creates new natural resources, reducing the impact on Earth’s systems.

A community wants to reduce energy costs and protect the environment. They are deciding whether to install solar panels at the local school or continue using electricity from a coal power plant. Which of the following is a true statement that the community should consider?

Solar panels use a renewable resource (the sun) to generate energy, which reduces pollution and is sustainable over time.

Coal is a renewable resource because it can be burned to produce energy repeatedly without running out.

Solar panels use a nonrenewable resource because they cannot produce energy after the sun goes down.

Coal power plants use renewable resources to create electricity, making them more environmentally friendly than solar panels.

Which statement would best complete this diagram regarding the effects on the population?

The nearby hospital must treat an increased number of people infected with schistosomiasis.

The mosquito population grows and increases incidences of diseases like malaria.

The blood fluke reduces the other contaminants in the reservoir, making the water safer to drink.

Other types of fish migrate to the reservoir to take the place of the carp.

Which of the following best describes the difference between renewable and nonrenewable resources?

Renewable resources can be replaced naturally within a short time, while nonrenewable resources cannot be easily replaced.

Renewable resources are found above ground, while nonrenewable resources must be mined from underground.

Renewable resources are free for anyone to use, while nonrenewable resources must be purchased.

Renewable resources are used for energy, while nonrenewable resources are used for making products.

In a county, a Resource Protected Area (RPA) includes streams, rivers, other bodies of water, and environmentally sensitive lands within 100 feet of these water resources. A man wants to remove a diseased tree on his land that the county says is in an RPA, and the county says he can only remove it if he replaces it with a similar tree or vegetation. The county most likely has this requirement to—

Prevent erosion and maintain water quality by keeping the soil stable and filtering runoff.

Make the landowner responsible for increasing the property value of the area.

Prevent people from using the land for gardening or recreation, so that people will use public parks more.

Ensure the area becomes a designated park or nature reserve for public use.

Based on the data, what should the school focus on next to improve its waste management program being there was not sufficient change?

Add a composting program and educate students on how to reduce food waste.

Add more recycling bins, since recyclable waste is still too high.

Focus on reducing non-recyclable waste further, as it is the largest remaining category.

Stop the program, as the changes in waste reduction were not significant enough.

Based on this article, which of the following most likely summarizes LeeAnn Kittle’s perspective on waste management and resource use?

Though there may be upfront costs, careful management of waste and resources both help the environment and save money long-term.

Waste management must be based on doing what saves the most money, regardless of the impact on the environment.

Resource management can only happen in schools with large budgets to pay for the upfront costs.

Waste management has minimal benefits for either cost or the environment.

A group of students in another state was inspired by Denver Public Schools. What personal choices related to resource use can students make to help support similar efforts?

Ensure that lights are always turned off when no one is in the classroom.

Only drink from single-use plastic water bottles to avoid possible bacterial infections from the water fountains.

Take a personal car to school each day rather than riding an overcrowded bus.

Bring their lunches rather than buy them from the cafeteria.

Biotic and Abiotic Factors in the Chesapeake Bay Watershed

Authored by John Larson

Social Studies

6th Grade

Used 4+ times

Biotic and Abiotic Factors in the Chesapeake Bay Watershed

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a biotic factor in the Chesapeake Bay watershed?

Fish

Water

Sunlight

Rocks

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an abiotic factor that could be found in the Chesapeake Bay watershed?

Crabs

Grass

Soil

Birds

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is making a chart to compare biotic and abiotic factors in the Chesapeake Bay watershed. Which of the following would be the best way to organize the information?

List living things under biotic and nonliving things under abiotic

List all animals under abiotic and all plants under biotic

List all water sources under biotic and all land sources under abiotic

List all factors randomly without categories

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to separate biotic and abiotic factors when studying an ecosystem like the Chesapeake Bay watershed?

It helps to understand how living and nonliving things interact

It makes the chart look more colorful

It is required for all science projects

It helps to count the number of animals only

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a biotic factor?

Cypress Trees

Clay

Sunlight

Silt

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an abiotic factor?

River otters

Blue crabs

Sunlight

Cypress Trees

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the group that contains only biotic factors.

Cypress Trees, Blue crabs, River otters

Clay, Sunlight, Silt

Cypress Trees, Sunlight, Silt

Blue crabs, Clay, Sunlight

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Biotic and Abiotic Factors in the Chesapeake Bay Watershed

Which of the following is an example of a biotic factor in the Chesapeake Bay watershed?

Which of the following is an abiotic factor that could be found in the Chesapeake Bay watershed?

A student is making a chart to compare biotic and abiotic factors in the Chesapeake Bay watershed. Which of the following would be the best way to organize the information?

Why is it important to separate biotic and abiotic factors when studying an ecosystem like the Chesapeake Bay watershed?

Which of the following is a biotic factor?

Which of the following is an abiotic factor?

Select the group that contains only biotic factors.

Why are blue crabs considered biotic factors in an ecosystem?

If you were to add "water" to the chart, under which category would it go and why?

Which body of water does Section 1 of the map of Virginia flow to?

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