Biosphere Unit Review

What is the biosphere?

• The biosphere is the global sum of all ecosystems on Earth.

• The biosphere is the study of ancient life forms.

• The biosphere is the layer of the atmosphere that contains living organisms.

• The biosphere is a type of computer software used for biological simulations.

Explain the concept of biodiversity.

• Biodiversity encompasses the variety of life forms on Earth, including different species, genetic diversity within species, and ecosystems.

• Ecosystems do not play a role in biodiversity.

• Genetic diversity is not a component of biodiversity.

• Biodiversity refers only to the number of species present in an ecosystem.

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How do environmental conditions affect plants and animals in different biomes?

• Plants and animals in different biomes can easily adapt to any environmental conditions

• Environmental conditions affect plants and animals in different biomes by influencing their adaptations and survival strategies.

• Environmental conditions have no impact on plants and animals in different biomes

• Plants and animals in different biomes are not affected by environmental conditions

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What is the global impact of loss of biodiversity?

• Loss of biodiversity can result in reduced ecosystem resilience, decreased food security, and increased vulnerability to natural disasters.

• Increased ecosystem resilience

• Enhanced food security

• Reduced vulnerability to natural disasters

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NGSS.MS-LS2-5

Describe the effects of human population growth on plant and animal species in NC.

• Human population growth in NC results in improved habitats and ecosystems for plant and animal species.

• Human population growth in NC has no impact on plant and animal species.

• Human population growth in NC leads to habitat destruction, fragmentation, and pollution, negatively impacting plant and animal species.

• Human population growth in NC leads to increased biodiversity and conservation efforts for plant and animal species.

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How does habitat alteration impact various species in NC?

• Habitat alteration can lead to loss of biodiversity, endangerment, or extinction of species in NC.

• Habitat alteration leads to improved habitat conditions for all species in NC

• Habitat alteration increases species diversity in NC

• Habitat alteration has no impact on species in NC

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What is the relationship between the introduction of invasive species and biodiversity?

• Invasive species always increase biodiversity

• Invasive species can reduce biodiversity by harming native species and disrupting ecosystems.

• Invasive species have no impact on biodiversity

• Invasive species only affect a small portion of biodiversity

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Explain the effects of pollution on plant and animal species in NC.

• Pollution in NC can lead to respiratory issues, reduced photosynthesis, water contamination, and disrupted ecosystems for plant and animal species.

• Plant and animal species in NC thrive in polluted environments

• Pollution has no impact on plant and animal species in NC

• Pollution in NC leads to increased biodiversity for plant and animal species

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What is overharvesting and how does it affect the biosphere?

• Overharvesting is the process of planting more crops than needed, leading to excess resources.

• Overharvesting is a term used to describe the controlled management of natural resources.

• Overharvesting is the process of harvesting a renewable resource faster than it can regrow, leading to depletion of the resource. This affects the biosphere by disrupting ecosystems, reducing biodiversity, and causing long-term damage to the environment.

• Overharvesting is the act of conserving resources to protect the environment.

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Explain the impact of human population growth on ecosystems.

• Human population growth leads to ecosystem restoration

• Human population growth has no impact on ecosystems

• Human population growth negatively impacts ecosystems by increasing demand for resources, leading to habitat destruction, pollution, and overexploitation of natural resources.

• Human population growth positively impacts ecosystems by promoting biodiversity

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NGSS.MS-ESS3-4