Human Impact Review

Front

What is competition in an ecosystem?

Back

Competition occurs when two or more species or individuals vie for the same resources, such as food, space, or light. Invasive species, like kudzu, can outcompete native species, leading to their decline.

Front

What happens to a population when the number of births equals the number of deaths?

Back

The population will stay the same, indicating a stable population size.

Front

What is biomagnification?

Back

Biomagnification is the process by which toxins become more concentrated in the tissues of organisms at higher trophic levels in an ecosystem.

Front

What is habitat loss?

Back

Habitat loss refers to the destruction or alteration of natural environments, often due to human activities like deforestation, agriculture, and urban development.

Front

What happens to a population when the number of births exceeds the number of deaths?

Back

The population will increase, indicating a growth in population size.

Front

Define invasive species.

Back

Invasive species are non-native organisms that spread widely in a new habitat, often causing harm to native species and ecosystems.

Front

What is the relationship between biodiversity and ecosystem health?

Back

Higher biodiversity typically indicates a healthier ecosystem, as it enhances resilience, productivity, and stability.

Front

What is the significance of trophic levels in an ecosystem?

Back

Trophic levels represent the hierarchical positions of organisms in a food chain, indicating their role in energy transfer and nutrient cycling.

Front

What is the impact of deforestation on climate change?

Back

Deforestation contributes to climate change by increasing carbon dioxide levels in the atmosphere, as trees that absorb CO2 are removed.

Front

What is eutrophication?

Back

Eutrophication is the process by which water bodies become overly enriched with nutrients, leading to excessive growth of algae and depletion of oxygen.