1. What is an endangered species?
A. A species that is at risk of becoming extinct.
B. A species that is very aggressive.
C. A species that has become domesticated.
D. A species that is included in catch and release programs.
2. What could be the major cause of wildlife extinction?
A. change of habitat C. sustainable development
B. loss of habitat
D. population growth
3. When the number of individuals in a species becomes so small that the
species may not survive, the species is
A. threatened
C. endangered
B. troubled
D. extinct
4. A ecologically healthy area has
A. a few species with a sustainable number od individuals of each
species
B. many species with very few individuals of each species
C. a few species with very few individuals of each species
D. many species with a sustainable number of individuals of each
species
5. Which of the following statement explains the relationship between ex-
tinction and biodiversity?
A. Extinction has no impact on biodiversity.
B. Extinction contributes to a decrease in biodiversity.
C. Extinction increases genetic variation.
D. Extinction contributes to an increase in biodiversity.​