Biodiversity

Biological Diversity refers to ...

• the number of people on Earth

• all the different species that inhabit the Earth

• the number of animal species in a specific area

• the number of plant species in a specific area

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A small habitat that is separated from a larger habitat, is known as ...

• genetic drift

• adaptive radiation

• an ecological island

• environmental isolation

The process by which certain traits or characteristics become more or less common in a population over time, based on their ability to survive and reproduce, is known as, ...

• Global Speciation

• Natural Selection

• Biological Diversity

• Adaptive Radiation

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Darwin's finches from the Galapagos Islands, are an example of _____________, the process by which a single ancestral species evolves into a variety of different species to fill different ecological niches.

• Ecological Island

• Adaptive Radiation

• extinction

• Homogenous distribution

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What are endangered species?

• Species at risk of becoming extinct

• Species that are commonly found in zoos

• Species that are not native to a particular ecosystem

• Species that are thriving and increasing in population

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Who were Homo floresiensis?

• A species of small-bodied hominins (3-4 foot tall) that lived on the Indonesian island of Flores.

• A species of small-bodied hominins that lived in Europe.

• A species of primates that lived in Africa.

• A species of large-bodied hominins (7-8 foot tall) that lived on the Indonesian island of Flores.

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What has the most likily reason for the down fall of Homo floresiensis?

• Wide spread disease

• Forest fires

• Volcanic eruption

• Flooding

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What is biomagnification?

• Biomagnification is the process of reducing the concentration of a substance at each level of the food chain.

• Biomagnification is the process of transferring energy from one trophic level to another.

• Biomagnification is the process of decreasing the number of organisms in a food chain.

• The concentration of a substance increases at each level of the food chain.

Explain the relationship between pollution and biomagnification.

• Pollution can lead to biomagnification.

• Biomagnification is the cause of pollution.

• Biomagnification can reduce pollution levels.

• Pollution has no effect on biomagnification.

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What are the exact number of species on Earth?

• 3 Million

• 5 million

• 10 million

• The exact number is unknown

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