Population Growth Rate
What factors contribute to the population growth (name 3)?
Food, resources, and the environment
How many people are on earth currently (approximately) ?
8 billion people
What happens when populations grow (in terms of resources) ?
What is the definition of birth rate?
The number of births per 1000 people in a certain area
What is the definition of conservation?
The process of using less of a resource so that it can last for longer.
What is exponential growth in a population?
Growth pattern where individuals reproduce at a constant rate and the larger the population the faster it grows.
What led to the boom in the human population?
Advancements in technology
What happens to animal populations when humans overuse resources (be exact) ? Name at least two.
Humans destroy ecosystems, take food away from animals, overhunting, disrupting the food chain, etc
The rates of people being born and in a certain area is larger than the rate of people dying and leaving a certain area.
What are three important sustainable solutions used to this day (mentioned in lesson) ?
Water Filtration, Desalination, and improvements in Solar and Wind Power
When does exponential growth end?
When the environment cannot support the amount of organisms anymore.
When did the exponential rise in human beings begin?
About 300 years ago
Humans use this as a power source for electricity, and it has been highly criticized for harming the environment and not being renewable. What is it?
Fossils
How did the industrial revolution increase the growth rate?
New farming and transportation methods increased resource availability (food and clean water) and public health and living standards’ improvements decreased the death rate
What are the costs and benefits of logging (in terms of the environment) ?
Potential responses for benefits: Raw materials
Potential responses for costs: Deforestation, Habitat loss, soil erosion, water pollution