The answer covers greenhouse effect and global warming, logistic vs. exponential growth, invasive species in Ethiopia, and the influence of population age-sex structure on growth.
Greenhouse Effect: The greenhouse effect is when certain gases trap heat in Earth's atmosphere, leading to warming. This warming is exacerbated by human activities like burning fossil fuels, causing global warming which disrupts ecosystems and threatens biodiversity. Living things face challenges like habitat loss, changed climates, and disrupted food chains.
Logistic vs. Exponential Growth: Logistic growth levels off due to environmental constraints like limited resources and space, while exponential growth continues without such limits. Intraspecific competition and carrying capacity play crucial roles in population growth patterns.
Invasive Species in Ethiopia: Examples include the water hyacinth and the red-eared slider turtle, which disrupt local ecosystems through competition, predation, and habitat alteration, leading to biodiversity loss.
Age-Sex Structure's Influence: The age-sex structure of a population affects growth by determining fertility rates, labor force availability, and dependency ratios, which impact economic and social aspects.
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