Quarter 4 Assessment

Which of the following describes the connection between the environment, human genes, and human health?

• The environment has no effect on human genes or health
• Environmental factors can influence gene expression, which may impact health outcomes
• Human genes are entirely responsible for all environmental health issues
• The environment only influences human behavior but not genes or health

Why are dispersants used in oil spill response efforts?

• A. They prevent oil from sticking to marine animals.
• B. They break oil into smaller droplets that mix with water.
• C. They remove oil entirely from the ocean.
• D. They absorb oil and turn it into a solid waste product.

Which of the following is a major cause of eutrophication in water bodies?

• Increased oxygen levels
• Excess nitrogen and phosphorus from fertilizers
• Decreased water temperature
• Removal of algae from lakes

What is the main purpose of the Clean Water Act of 1972?

• To prevent overuse of groundwater
• To regulate water pollution and set water quality standards
• To encourage the use of plastic alternatives
• To increase water consumption in agriculture

Which of the following contributes the most to global water consumption?

• Industrial processes
• Household activities
• Agriculture
• Energy production

Which of the following best defines a dead zone?

• An area where fish populations are thriving
• A region in the ocean with extremely low oxygen levels, leading to marine life die-offs
• A section of the ocean with unusually high biodiversity
• A polluted lake that has turned acidic

What is the primary cause of groundwater depletion?

• Excessive use of fertilizers
• Over-pumping for agriculture, industry, and drinking water
• Increased rainfall in urban areas
• Natural filtration through aquifers

What is the biggest environmental concern associated with the use of pesticides in farming?

• They reduce soil erosion
• They break down immediately and have no lasting effects
• They can run off into water bodies and harm aquatic life
• They increase crop yields without any negative impacts

What is one possible negative consequence of relocating sea turtle nests due to an oil spill?

• A. The eggs may not hatch in their new environment.
• B. The hatchlings may return to the Gulf of Mexico to nest.
• C. The hatchlings may not recognize their new habitat.
• D. All of the above.

Why do wildlife rescuers use dishwashing soap to clean birds affected by oil spills?

• A. It is the only substance that can break down oil without harming the bird.
• B. It absorbs the oil and allows the birds to breathe through their feathers.
• C. It forms a waterproof layer on the bird’s feathers.
• D. It dissolves the feathers' natural oils and prevents future oil contamination.