Resurrection Biology: How to Bring Animals Back From Extinction

The video explores the concept of de-extinction, focusing on the discovery of a frozen mammoth and the potential to bring extinct species back to life. It discusses methods like cloning, genetic reconstruction, and back breeding, while addressing challenges such as genetic diversity and ethical concerns. The video also highlights potential benefits, including ecological restoration and learning opportunities.

What is the main challenge in cloning extinct species like dinosaurs?

• Lack of interest from scientists

• Insufficient funding for research

• DNA degrades over millions of years

• No living relatives to use as surrogates

Which method was used to attempt the resurrection of the Pyrenean ibex?

• Back breeding

• Genetic reconstruction

• Cloning

• Artificial selection

What is a major obstacle in cloning a woolly mammoth?

• No available mammoth DNA

• Elephants ovulate infrequently

• Elephants are not closely related

• Lack of funding

What is a potential problem with resurrected species?

• They might have too much genetic diversity

• They could become invasive species

• They would be too easy to clone

• They might not survive in zoos

Why might resurrected species suffer from poor genetic variation?

• They are cloned from a single egg

• They are released into the wild too soon

• They are bred in captivity

• They are not closely related to any living species

What is one potential benefit of resurrection biology?

• It can create new species

• It can help preserve endangered species

• It can eliminate all diseases

• It can increase human lifespan

How might mammoths help regulate the Arctic environment?

• By maintaining the permafrost layer

• By increasing the temperature

• By preventing forest fires

• By reducing methane emissions

What is a potential educational benefit of studying resurrected species?

• Developing new cloning techniques

• Improving agricultural practices

• Learning about ancient ecosystems

• Understanding modern animal behavior

What is a key question regarding the pursuit of de-extinction?

• Should we do it?

• Is it scientifically possible?

• Will it be popular?

• Can we afford it?

What is a concern about reintroducing extinct species to their original habitats?

• They might not recognize their habitat

• They could become too numerous

• They could disrupt current ecosystems

• They might not adapt to the climate