Alice Marine Science

Climate change is predicted to have an impact on Earth's biodiversity. What could be a consequence of climate change on marine biodiversity?

• A. An increase in the temperature of the ocean may cause bleaching of corals, thus dramatically reducing biodiversity

• B. An increase in the temperature of the ocean will cause coastal wetlands to shrink, thus decreasing biodiversity

• C. An influx of fresh water as the ice caps melt will increase salinity of the ocean, thus eliminating species sensitive to changes in salinity

• D. An increase in atmospheric temperature will cause increased evaporation from the ocean, thus shrinking the amount of viable habitat in the ocean

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Most biodiversity indicators show relationships between animals and the system's ecology. However, biodiversity can also be linked to the economics and culture of an area. For instance, in the Arctic waters, the plants and animals are contaminated from the increase in shipping activities. How does this affect the Inuit people and their culture?

• A. The contaminated plants and animals contributes toxins into the seal population

• B. The dolphin population has increased and the Inuit people have to compete with the dolphins for fish

• C. The people welcome the increased shipping activities; therefore, they are not concerned that the flora and fauna have been contaminated

• D. As a result of the decline in plants and animals from contamination, there is a loss of whales in the area; this change deprives the people of hunting, a practical need to acquire food

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Which of the following human activities would not impact marine biodiversity?

• A. dumping of wastes

• B. introducing non-native species

• C. non-motorized boating

• D. overfishing

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Plastic bottle use, recycling, and disposal have many environmental implications. One effect is the creation of floating transportation, allowing species to move around the planet. How does the movement of species affect biodiversity?

• A. invasive species contribute to biodiversity

• B. invasive species disrupt existing habitats

• C. organisms can easily migrate

• D. organisms can find protections from predator

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What would most likely be a result of the overfishing of large predatory fish?

• A. The entire ocean food web is likely to collapse

• B. Lower trophic levels will flourish without these predators and biodiversity will increase

• C. Populations of organisms in upper trophic levels will be altered and overall biodiversity will increase

• D. Populations of organisms in lower trophic levels will be altered and overall biodiversity will decrease

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Which of the following abiotic components are causing the coral reef to diminish and become brittle (weak and fragile)?

• A. The temperature of the ocean is decreasing and the pH is decreasing making the ocean more acidic.

• B. The temperature of the ocean is decreasing in the ocean and the pH is increasing making the ocean more basic.

• C. The temperature of the ocean is rising and the pH is decreasing making the ocean more acidic.

• D. The temperature of the ocean is rising in the ocean and the pH is increasing making the ocean more basic.

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Our oceans play a large role in climate change. Which is a specific role played by the oceans in regards to climate?

• A. Oceans moderate the climates of the world by moving water through currents.

• B. Oceans absorb carbon dioxide, a major greenhouse gas, contributing to climate change.

• C. Oceans distribute heat to the poles causing melting of the ice caps, thus influencing climate change.

• D. Oceans create cool temperatures in the tropics by transporting cool water from the poles.

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A symbiotic relationship in which one organism benefits without benefiting or harming the other

• A. Mutualism

• B. Symbiosis

• C. Parasitism

• D. Commensalism

Organisms typically known as bottom dwellers spend their life consuming material that falls down from the surface of the ocean. These organisms could BEST be described as

• A. Consumers-Nekton

• B. Consumers-Benthos

• C. Decomposers-Benthos

• D. Decomposers- Nekton

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The Remora Suckerfish and many sharks live in harmony together. The remora attaches itself to the the share and uses it for food and transportation. The shark in return benefits by having parasites removed from its' body by the remora.

• A. Mutualism

• B. Parasitism

• C. Commensalism

• D. Predator and Prey

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