Non-renewable Resources
1. What are non-renewable resources? Give examples?
Non-renewable resources are resources that require a long time to form, but are used in a faster rate.
Examples: fossil fuel energy, coal, minerals…take a long time to form but are used very fast by humans.
2. What are fossil fuels? Give an example and explain why it’s a type of fossil fuel?
Fossil fuels are a type of non-renewable resources that form from the remains of organisms that lived from a long time ago.
Example: Sediments built up over the remains of dead organisms, heat and pressure increased, creating chemical change that changed the remains into oil.
3. What are the differences between renewable and non-renewable resources?
Renewable resources:
Take long time to form, used in a very fast rate, can’t be renewed
Non-renewable resources:
Can never be used up, can be replaced at the same rate at which they’re consumed
Advocacy and Education
1. What is advocacy and how can it help solve environmental problems?
Conservation groups make efforts to educate people, protect land, and create laws that protect the environment. Media is used to raise awareness of environmental issues
2. How can education help solve environmental problems?
Educating the public about the environment helps gain public support for solving environmental issues. Ecotourism is one way that help people to experience the world they’re living in and motivate them to care for it by learning about the particular environmental problems of an area.
3. What is ecotourism?
A type of tourism that supports the conservation and sustainable development of an area, allowing tourists to learn about its environmental issues and to help solve the problem during their tour.
Habitat Loss
1. How many trees had been cut down over the last 50 years?
Half of the world’s tropical rain forests have been cut down or burned.
2. What is deforestation?
The process of clearing forests.
3. What is an example of habitat loss?
Humans are cutting down trees in Vietnam and they destroy the habitat of many species like elephants, tigers and other wild animals. Due to the fact that trees become less and less everyday will lead to extinction.
Biodiversity Loss
1. How does ecosystem disruption relate to the number of species on the Earth?
Ecosystem disruption decreases the number of the Earth’s species.
2. What is biodiversity?
The variety or number of species in an area.
3. What happens if the number of species decreases?
When a species disappears, a stand in the food web disappears. The species that disappears may be the one that humans depend on.
Invasive Species
1. What is invasive species?
A kind of species that takes the resource of habitat of other species and the other species’ population decreases.
2. What leads to invasive species?
Humans have disrupted the ecosystems by intentionally and unintentionally introducing non-native species.
3. What is an example of invasive species?
Humans brought zebra mussel to the Great Lakes. It disrupted the Great Lake’s ecosystem, causing some species struggle to survive and some develop.
Extinction
1. What is extinction?
The elimination of a species from Earth.
2. How many types of extinction are there?
There are 2 types of extinction: background and mass extinction
Background extinction – extinction of species that happen regularly due to environmental factors
Mass extinction – extinction of thousands of species in a short period of time.
3. What’s the effect of extinction?
The ecosystem will change. The food web will change and one of them can be the resource that humans depend on.
|
Comments (0)
You don't have permission to comment on this page.