Ecology Biodiversity and Conservation 2

Question 1

What is an 'umbrella species' in conservation planning?

Accepted Answer

A species whose protection simultaneously protects many other species sharing its habitat

Answer

A species with the largest geographic range

Answer

A species at the top of the food chain

Answer

A species that can survive in multiple biomes

Question 2

The IUCN Red List category 'Critically Endangered' requires a population decline of at least what percentage over 10 years or three generations?

Accepted Answer

80%

Answer

30%

Answer

50%

Answer

70%

Question 3

Which treaty specifically regulates international trade in endangered species of wild fauna and flora?

Accepted Answer

CITES

Answer

The Ramsar Convention

Answer

The Kyoto Protocol

Answer

The Bonn Convention

Question 4

Genetic erosion in a species most directly refers to the loss of:

Accepted Answer

Allelic diversity within the gene pool

Answer

Habitat connectivity

Answer

Ecological niches

Answer

Phenotypic plasticity only

Question 5

A metapopulation is best described as:

Accepted Answer

A set of spatially separated subpopulations linked by occasional dispersal

Answer

A single large population in a continuous habitat

Answer

A population of migratory species spanning continents

Answer

All populations of a species within one watershed

Question 6

Which of the following is an example of ex situ conservation?

Accepted Answer

Maintaining a seed bank for rare plants

Answer

Establishing a national park

Answer

Protecting a coral reef marine sanctuary

Answer

Restoring a riparian buffer zone

Question 7

The concept of 'rewilding' in conservation primarily involves:

Accepted Answer

Restoring large predators and natural processes to recover self-sustaining ecosystems

Answer

Introducing invasive species to control pests

Answer

Fencing off all human activity from an area

Answer

Planting native grasses in degraded farmland only