A Group of Single-Cell Organisms Collected from the Ocean Was

question 61

Multiple Choice

A group of single-cell organisms collected from the ocean was brought into the lab for examination. The lab assistant was concerned that the water had become full of toxic waste products and so added clean water to the culture. All of the organisms died, and when she looked at them under the microscope, all she could see were bits and pieces of them scattered throughout the water. What likely happened?

• A) She added water that was hypotonic to the culture of organisms, and they ruptured.
• B) She added seawater to which she had added too much salt, and they ruptured.
• C) She added water isotonic to the organisms, causing too much water to move in and out of the organisms, and they ruptured.
• D) She added too little salt to the seawater she added, and the organisms all lost too much water and shriveled up.

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Gross Domestic Product adjusted for inflation, providing a more accurate representation of an economy's size and how it's growing over time.

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The gross domestic product measured at current market prices, without adjusting for inflation, reflecting the value of all goods and services produced by a country.

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The condition of the natural environment and its ability to sustain life, characterized by factors such as air and water purity and biodiversity.

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Unpaid tasks performed by individuals or groups to offer their services and help in various sectors, often for the benefit of the community.