Biodiversity is a measure of how many different species live in an ecosystem. Human activities like changing land use, deforestation and peat bog destruction reduce this.
What is biodiversity?
A measure of how many different species live in an ecosystem
All organisms in a food web depend upon each other
All the food chains for a habitat combined
What term describes the graph of World human population increase?
Which of these is not a reason for an increase in human population?
Better health care
What is the major cause of acid rain?
Sulfur dioxide and nitrogen oxides
What is eutrophication caused by?
The greenhouse effect
What process occurs very slowly in peat bogs?
What are peat bogs an important store of?
Which of these is not a threat of global warming?
More tropical diseases
Lowering of sea levels
What is conservation?
Cutting down of trees
Rapid growth of algae as a result of fertilisers
The preservation of ecosystems
Which of these is NOT a way of increasing biodiversity?