B2h-sustainability Flashcards
How can endangered species be conserved?
Protecting habitats Legal protection Education programs Captive breeding programs Seed banks Creating artificial ecosystems
What are the reasons for conservation programs?
- Protecting human food supply
- Ensuring minimal damage to food chains
- future identification of plants for medical purposes
- cultural aspects
Why are species at risk of extinction if there is not enough genetic variation in the population?
If genetic variation is low then a species is less likely to be able to adapt to changes in the environment or survive the appearance of a new disease
What are whales used for?
Tourism
Food
Oil
Cosmetics
What does the success of a conservation programme depend on?
Genetic variation
Viability of populations
Available habitats
Interaction between species
What is still not fully understood about whale biology?
Whale communication
Migration patterns
Survival
What are the issues with whaling?
IWC struggle to get nations to agree to stop whaling
Hard to check if countries are sticking to agreement
IWC has no authority to punish
What is sustainable development?
Providing for the needs of todays increasing population without harming the environment
How can fish stocks and woodland be sustained and developed?
Education
Quotas on fishing
Re planting of woodland
How does sustainable development help endangered species?
Considering impacts of their habitats
Why are organisms extinct or endangered?
Climate change Habitat destruction Hunting Pollution Competition