DIAGNOSTIC TEST Système Environnemental et Société

What is an ecosystem?

• A mathematical equation

• A type of computer software

• A community of living organisms in conjunction with the nonliving components of their environment.

• A type of musical instrument

Why is biodiversity important for ecosystems?

• Biodiversity decreases the stability and resilience of ecosystems

• Biodiversity is important for ecosystems because it ensures the stability and resilience of the ecosystem, enhances ecosystem productivity, provides essential ecosystem services, and supports the overall health of the planet.

• Biodiversity only benefits certain species in ecosystems

• Biodiversity has no impact on ecosystems

Name one environmental law or policy that aims to protect the environment.

• Clean Air Act

• National Environmental Policy Act

• Safe Drinking Water Act

• Endangered Species Act

What is sustainable development?

• Using resources in a way that maximizes profits

• Ignoring the impact of human activities on the environment

• Meeting present needs without compromising future generations' ability to meet their own needs.

• Prioritizing short-term economic growth over long-term sustainability

How can individuals contribute to sustainable development?

• By adopting sustainable practices in their daily lives.

• By promoting unsustainable industries and practices.

• By consuming as many resources as possible.

• By ignoring sustainable practices and focusing on personal gain.

What are the different types of interactions in an ecosystem?

• competition, cooperation, symbiosis, predation, and commensalism

• symbiosis, cooperation, symbiosis, predation, and commensalism

• competition, predation, mutualism, commensalism, and parasitism

• competition, predation, symbiosis, cooperation, and commensalism

Define primary succession.

• The simultaneous establishment of plant and animal communities in an area that has never been colonized before.

• The rapid establishment of plant and animal communities in an area that has never been colonized before.

• The gradual establishment of plant and animal communities in an area that has never been colonized before.

• The gradual establishment of plant and animal communities in an area that has been previously colonized.

Define secondary succession.

• The process of ecological succession that occurs in a previously inhabited but disturbed or destroyed area.

• The process of ecological succession that occurs in a marine ecosystem.

• The process of ecological succession that occurs in a primary forest.

• The process of ecological succession that occurs in a previously uninhabited area.

What are the stages of primary succession?

• Pioneer species colonize bare rock or soil, Mosses and lichens break down rocks and create soil, Grasses and small plants begin to grow, Shrubs and small trees start to establish, Larger trees dominate the area.

• Pioneer species colonize bare rock or soil, Mosses and lichens dominate the area, Grasses and small plants begin to grow, Larger trees start to establish.

• Mosses and lichens dominate the area, Grasses and small plants begin to grow, Shrubs and small trees start to establish, Larger trees colonize bare rock or soil.

• Pioneer species colonize bare rock or soil, Grasses and small plants begin to grow, Shrubs and small trees start to establish, Larger trees dominate the area.

Give an example of secondary succession.

• Reestablishment of animal populations after a disease outbreak

• Recovery of marine life after an oil spill

• Regrowth of vegetation after a forest fire

• Replanting of crops after a harvest