Biology Test Conservation Biology 3

Question 1

Which human activity is considered the single largest driver of tropical deforestation globally?

Accepted Answer

Agricultural conversion for livestock and crops

Answer

Urban expansion

Answer

Logging for timber

Answer

Mining operations

Question 2

What does the term 'rewilding' specifically emphasize in modern conservation practice?

Accepted Answer

Restoring natural processes and reintroducing keystone species to allow ecosystems to self-regulate

Answer

Breeding endangered species in captivity

Answer

Removing all human influence including indigenous communities

Answer

Creating new wilderness areas through legal designation alone

Question 3

Which principle explains why a larger reserve will typically support more species than a smaller one?

Accepted Answer

Island biogeography theory

Answer

Competitive exclusion principle

Answer

Intermediate disturbance hypothesis

Answer

Bergmann's rule

Question 4

Ex situ conservation differs from in situ conservation in that ex situ:

Accepted Answer

Protects species outside their natural habitat in facilities like zoos or seed banks

Answer

Protects species within their natural habitat

Answer

Focuses only on plant species

Answer

Relies entirely on community-based management

Question 5

A population viability analysis (PVA) is used by conservation biologists primarily to:

Accepted Answer

Estimate the probability that a population will persist for a defined period

Answer

Calculate the economic value of a species

Answer

Determine which species should be legally protected

Answer

Map the geographic range of endangered species

Question 6

Which of the following best describes 'edge effects' in fragmented habitats?

Accepted Answer

Changes in species composition and microclimate conditions near the boundary of two habitat types

Answer

The tendency for predators to avoid habitat boundaries

Answer

The decline of generalist species at habitat margins

Answer

Legal boundaries between protected and unprotected land

Question 7

Which treaty provides the primary international framework for regulating trade in endangered wild plants and animals?

Accepted Answer

CITES

Answer

Convention on Biological Diversity (CBD)

Answer

Ramsar Convention

Answer

Kyoto Protocol