The Disappearing Monarch and the Oldest Mammal on Earth

The video discusses the decline of monarch butterflies due to habitat loss and herbicide use, and the potential listing of the species as endangered. It also explores the longevity of bowhead whales, highlighting genetic research that may explain their extended lifespans. The video emphasizes the impact of human activities on wildlife and the importance of conservation efforts.

What is one of the main reasons for the decline in monarch butterfly populations?

• Overfishing

• Loss of milkweed habitat

• Air pollution

• Increased predation

What is the primary food source for monarch caterpillars?

• Grass

• Milkweed

• Soybeans

• Corn

How far do monarch butterflies migrate each year?

• 4800 kilometers

• 1000 kilometers

• 2000 kilometers

• 6000 kilometers

What is unique about the lifespan of bowhead whales?

• They are herbivores

• They are the smallest whales

• They can live over 200 years

• They live in freshwater

What genetic feature helps bowhead whales repair DNA damage?

• Ribosomal RNA

• Mitochondrial DNA

• Telomere extension

• Proliferating cell nuclear antigen (PCNA)