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Direction: Write a short answer for the questions provided below.
1. What is greenhouse effect? How it causes global warming. What is the effect on
living things?
2. What is the difference between logistic and exponential growth?
3. One of the causes of biodiversity loss is invasive species. Mention invasive species
in Ethiopia and describe how they cause loss of biodiversity.
4. How does the age-sex structure of a population influence growth?
5. Explain what can be learned about a population from its population pyramid
6. The 100 individuals are born per year in a population, and the mid-year population is
5000. What is the birth rate of that area?

Sagot :

GinnyAnswer

Final answer:

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.


Explanation:

Greenhouse Effect and Global Warming

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.

Difference Between Logistic and Exponential Growth

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 and Biodiversity Loss

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.

Population Age-Sex Structure and Growth

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.


Learn more about Greenhouse effect, global warming, logistic growth, invasive species, population demographics here:

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