Marla Spivak: Why bees are disappearing

The video highlights the critical role bees play in pollination, supporting over a third of global crop production. It discusses the challenges bees face, including agricultural practices, pesticides, and diseases, leading to significant population declines. The speaker emphasizes the importance of planting bee-friendly flowers and reducing pesticide use to support bee health. The video also explores the fascinating social structures of bees and their natural defenses, urging collective action to protect these vital pollinators.

What is the primary reason bees visit flowers?

• To rest during their long flights

• To protect the flowers from pests

• To collect nectar and pollen for food

• To intentionally pollinate crops

Why do tomato growers use bumblebees for pollination?

• Bumblebees are attracted to the color of tomato flowers

• Bumblebees can vibrate flowers to release pollen

• Bumblebees produce more honey than other bees

• Bumblebees are less aggressive than other bees

What is propolis and how do bees use it?

• A chemical used to attract mates

• A natural disinfectant collected from plants

• A type of honey produced in winter

• A type of pollen used for feeding larvae

What major change in farming practices after World War II affected bee populations?

• Rise of monocultures and synthetic fertilizers

• Decrease in pesticide usage

• Introduction of crop rotation

• Increased use of organic fertilizers

What is the effect of neonicotinoids on bees?

• They cause bees to become aggressive

• They increase honey production

• They enhance bee immune systems

• They can disorient bees and affect their ability to return home

What is the role of varroa destructor in bee health?

• It is a beneficial parasite that helps bees

• It is a virus that strengthens bee immunity

• It is a parasite that weakens bees and spreads viruses

• It is a type of pollen that bees collect

What is one suggested way to help support bee populations?

• Encourage monoculture farming

• Reduce the number of flowering plants

• Plant bee-friendly flowers and avoid pesticides

• Increase the use of chemical pesticides

How can planting flowers benefit bees and humans?

• It increases the production of synthetic fertilizers

• It reduces the need for bees to travel long distances

• It ensures bees have access to diverse nutrition, improving pollination

• It provides bees with shelter from predators

What is the current average annual loss of bee hives in the United States?

• 50%

• 30%

• 15%

• 10%

What is the significance of bee-friendly flowers in public spaces?

• They reduce the need for public gardening services

• They increase property values

• They provide essential nutrition for bees and other wildlife

• They attract more tourists to the area