Baltimore Salty Roads Quiz

What is osmosis?

• The movement of solutes through a semi-permeable membrane
• The movement of water through a selectively permeable membrane
• The movement of molecules from low to high concentration
• The process of water evaporating from a surface

Which of the following is an example of an abiotic factor in an ecosystem?

• Plants
• Animals
• Temperature
• Bacteria

What is a watershed?

• A large body of water like an ocean or sea
• An area of land where all water drains into a common waterway
• A structure that stores rainwater
• A source of underground water

How do human activities typically affect watersheds?

• They have no impact
• They only improve water quality
• They can lead to pollution and habitat destruction
• They make watersheds larger

Why is it important to protect watersheds?

• To ensure biodiversity within aquatic ecosystems
• To promote soil erosion
• To decrease the availability of freshwater
• To eliminate wetlands

What might be a consequence of urban development on a watershed?

• Improved water quality
• Decreased surface runoff
• Increased pollution and flooding
• Decreased biodiversity

How do abiotic factors influence biotic factors in an ecosystem?

• They provide food for biotic factors
• They create habitats and provide nutrients, air and water for biotic factors
• They have no effect on biotic factors
• They compete with biotic factors for resources

What is the main distinction between abiotic and biotic factors?

• Abiotic factors are living, while biotic factors are not
• Biotic factors are living, while abiotic factors are not
• Both are living factors
• Both are non-living factors

Which of the following is a consequence of changing abiotic factors in an ecosystem?

• Increased biodiversity
• Unchanged biotic factors
• Altered habitats and ecosystems
• Reduction in abiotic factors

Which of the following best describes a selectively permeable membrane?

• Allows only solutes to pass through
• Allows only water to pass through
• Allows certain molecules to pass while blocking others
• Allows all molecules to pass freely