The three components of biological diversity are: genetic, species and ecosystem. True or false?
a. True
b. False
What are plants known as in the food and energy pyramid?
a. Primary producers
b. Primary consumers c. Secondary consumers d. Decomposers
How many biological species are estimated to become extinct each year?
a. 300 b. 1,000 c. 5,000
d. 50,000
Which country was the first to establish national parks?
a. Brazil
b. United States
c. France d. Germany
What is the percentage of European fish species that are seriously endangered?
a. 11 b. 27 c. 32
d. 53
In Africa, 62 species of mammal are critically endangered. True or false?
a. True
b. False
How many biogeographic regions can Europe be divided into?
a. One b. Three
c. Seven
d. Ten
Eutrophication is:
a. The process by which new countries joining the European Union adopt its environmental regulations
b. A process of nutrient enrichment of an aquatic system, often caused by effluent from agricultural production, that can lead to destructive algal blooms
c. The corrosion of bridges and other metal structures below the surface of a body of water due to acidification d. None of the above
Which of the following biogeographic regions is the richest in terms of biodiversity?
a. Boreal b. Continental
c. Mediterranean
d. Alpine
Which of the following is a major threat to biodiversity?
a. Habitat loss b. Pollution c. Overexploitation of resources
d. All of the above
The state of change in the environment today is often so fast that species fail to adapt and become extinct. True or false?
a. True
b. False
While walking in nature, man can minimise his impact on the wildlife by:
a. Camping only in appropriate areas b. Refraining from giving animals human food c. Using fire responsibly
