population: human ecology Flashcards
When did the human population reach 1 billion?
When did the human population reach 1 billion?
What is demography?
statistical study of human populations, focusing on their size, structure, and movements over space and time.
What innovations have helped increase human survival rates?
Innovations such as disinfected drinking water, expanded crop yields, vaccinations, and new medicines like antibiotics have helped increase human survival rates.
What is Earth’s carrying capacity?
Earth’s carrying capacity refers to the maximum population size that the environment can sustain indefinitely, given the resources available.
What is a population pyramid?
A population pyramid, or age-sex pyramid, is a graphical representation of the age and sex distribution of a population.
What does an expansive population pyramid indicate?
An expansive pyramid with a wide base indicates high birth rates, high fertility rates, and a growing population.
What type of population pyramid suggests a stable population?
A stationary pyramid, with an equal proportion of people in each age group, suggests a stable population.
What is the Sustainable Development Goals (SDGs) framework’s role in addressing population growth?
The SDGs promote education, gender equality, healthcare, and environmental sustainability, helping to address the challenges of population growth, such as resource depletion and environmental degradation.
