11.34.R - Sci Lesson Review: Changes in Ecosystems and Human Activity Flashcards
Fertilizers are rich in \_\_\_\_\_\_\_\_\_\_\_\_\_\_. Oxygen and Carbon Nitrogen and Oxygen Phosphorus and Carbon Nitrogen and Phosphorus
Nitrogen and Phosphorus
An increase in the number of nutrients in water is called \_\_\_\_\_\_\_\_\_. eutrophication decomposers succession resources depletion
eutrophication
The first organisms that live in an area are called \_\_\_\_\_\_\_\_\_\_\_. producers pioneer species primary consumers bacteria
pioneer species
Sometimes ecosystems can change suddenly because of \_\_\_\_\_\_\_\_\_\_. major natural disturbances plant life change in decomposers animal life
major natural disturbances
The slow development or rapid replacement of an ecological community by another ecological community is called \_\_\_\_\_\_\_\_\_\_. succession urbanization urban sprawl adaptation
succession
Any unwanted changes to the environment because of substances or forms of energy is called \_\_\_\_\_\_\_\_\_\_\_. succession pollution adaptation urbanization
pollution
This occurs where areas have been destroyed by still have soil. urban sprawl urbanization secondary succession primary succession
secondary succession
When a community may start to grow in an area that has no soil, it is called \_\_\_\_\_\_\_\_\_\_\_. pioneer species producer secondary succession primary succession
primary succession
What are the 4 main ways that humans can cause harm to the environment?
Your Answer:
Four main ways we can destroy environments include destroying habitats, depleting resources, depleting soil quality, and introducing exotic species.
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human population growth in and around cities
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
urbanization
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human population growth at the edge of cities
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
urban sprawl
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the utilization of our resources where a large fraction of a resource has been used up in an area
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
resource depletion
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process by which human activity and natural processes damage land to the point that it can no longer support the local ecosystem
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
soil degradation
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surface layer of soil
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
topsoil
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occurs when soil particles are removed, transported and then deposited somewhere else
urbanization urban sprawl resource depletion soil degradation topsoil erosion exotic species invasive species
exotic species
