Biodiversity Flashcards
What is biodiversity
The variety of all the different species of organisms on earth or within an ecosystem
Why is biodiversity important
It makes sure that ecosystems are stable because different species depend on each other for things such as shelter and food
What does more people mean
Greater demands on the environment
What are the wastes that are affecting the environment
Land pollution
Water pollution
Air pollution
How does water pollution affect the environment
sewage and toxic chemicals from industry can pollute lakes rivers and oceans
How does air pollution affect the environment
Smoke and acidic gases can pollute the air if they are released into the atmosphere
How does land pollution affect the environment
We use toxic chemicals for farming e.g pesticides and herbicides
What does pollution do
Kill plants and animals this then reduced biodiversity
What does having a high biodiversity mean
That an ecosystem is more stable
What are two human actions reducing biodiversity
Deforestation and global warming
