Biodiversity

The variety of ecosystems in an area.

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Why should humans work to prevent biodiversity loss?

• Humans depend on other organisms to meet their basic needs for survival

• Species extinction has been a rare occurrence throughout human history

• Extinctions are common and expected therefore biodiversity loss is not a concern

• Both humans depend on other organisms to meet their basic needs for survival and Species extinction has been a rare occurrence throughout human history

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Biodiversity is defined as

• The number of species on Earth

• The number and variety of species and nonliving things on Earth

• The number of species that can reproduce

• The number and variety of species in a given area

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Which of the following causes an organism to go extinct?

• Overharvesting

• Sustainable farming

• Overfishing

• Overharvesting and Overfishing

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Which evidence from the State of the Bay Report would support that oysters should not be harvested from oyster sanctuaries?

• Dissolved oxygen, water clarity and oyster scores

• Dissolved oxygen, underwater grasses and oyster scores

• Toxics, oyster and underwater grasses scores

• Toxics, dissolved oxygen, water clarity and wetland scores

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Why should harvesting oysters from oyster sanctuaries not be allowed?

• Oysters will be able to reproduced faster and more often in a sanctuary

• Oysters in an oyster sanctuary will never die

• Oysters in an oyster sanctuary are protected from overharvesting to increase populations in order to help filter the bay water

• Harvesting oysters from an oyster sanctuary will not impact oyster populations or the overall health of the bay

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Overharvesting, overfishing, overgrazing all result in

• an increase in biodiversity

• a decrease in biodiversity

• no change in biodiversity

• fluctuations in biodiversity

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The main cause of biodiversity loss worldwide is

• extinctions

• invasive species

• pollution

• habitat destruction

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Which of the following are ecosystem services provided by a forest in Maryland?

• Provides filtered ground water

• Stabilizes soil to prevent erosion

• Prevents flooding

• Produces oxygen

One way to ensure you are supporting biodiversity protection and sustainable practices is to

• Buy plants that are native to the rainforest

• Adopt an exotic pet that is native to the rainforest

• Buy a necklace that has wood beads taken from trees in the rainforest

• Purchase products that are certified as sustainable

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