| population Growth | Environmental Issuses | Ecosystems |
|---|---|---|
|
What is China
Which country has the biggest population?
|
You’re probably right.
Name five environmental issues
|
Plant more trees
If we tare trees down, what should we do after?
|
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What is Modern era (1950 to present day)
200- Historical growth of human population is often described in terms of 4 major stages, what is the fourth stage?
|
Ruins animals homes
Less oxygen Endangered
Ruins animals homes
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Natural resources.
What resource is found in nature that people use to meet their basic needs?
|
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What is Light, water and space.
When a population reaches a size limit name 2 factors that we might run short of.
|
Reduce pollution by reducing air, water and land pollution.
Recycle resources by sending the degradable like paper and non-degradable like plastic and glass objects to recycling factory. Save resources by using them carefully. Ex. Wat
How can we save the earth?
|
An ecosystem is like a system because it has living and nonliving parts. Those parts work together for a common purpose of survival. they are in balance with each other
How is an ecosystem an example of a system?
|
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What is Births, deaths, emigration and immigration.
Changes in human population sizes are governed by four variables, what are these four variables?
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30 years.
The icecap has lost 30% of its surface over the past years
|
Humans can affect the ecosystem, by pollution, waste dumping, over hunting of animals, over-fishing, industrial gasses, and energy use, and by not using bio-degradable products.
How do we affect ecosystems?
|
|
What is 7.136 billion
What is the world’s population?
|
Colordo River.
Name the river that doesn’t reach the sea anymore.
|
A threatened species.
What species that could become endangered if the factors limiting its population are not reversed is called?
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