Extinction

Q. Vultures and Hyenas are (Choose the most appropriate answer)

1. herbivores
2. decomposers
3. omnivores
4. scavengers

Q. When the number of individuals in a species becomes so small that the species may not survive, the species is:

1. endangered
2. troubled
3. extinct
4. threatened

Q. What effect does the extinction of animals have on biodiversity?

1. Extinction contributes to an increase in biodiversity.
2. Extinction contributes to a decrease in biodiversity.
3. Extinction randomly changes biodiversity in one direction or the other.
4. Extinction has no impact on biodiversity.

Q. What is an endangered species?

1. a species that has become domesticated
2. 
   
   a species that is included in catch and release programs
   
3. a species that is very aggressive
4. a species that is at risk of becoming extinct

Q. If none of the individuals within a particular species can survive to reproduce, what will happen to that species?

1. they will increase in number
2. they will become extinct
3. they will evolve into a new species
4. 
   they will adapt to a new environment

Q. The dodo is a/an species of birds.

1. endangered
2. critically endangered
3. rare
4. extinct

Q. Extinction is a natural process that has occurred throughout the history of life on Earth. In the 21st century, extinction is a big problem because:

1. the rate of extinction is much slower than ever before
2. the rate of extinction is much faster than ever before
3. there are fewer species that could become extinct than ever before
4. now we can record when it happens

Q.

Plant species are more vulnerable to extinction than animals because:

1. both A and B
2. plants cannot move around and so are more prone to extinction
3. none of these
4. humans depend on plants more than animals

Q. Which animal falls under the category of extinct species?

1. Ostrich
2. Cheetah
3. Lion
4. Dodo bird

Q. The term applied to a species that can no longer be found living is

1. troubled
2. threatened
3. extinct
4. endangered