Are Microbes Good or Bad for Humans

The video explores the historical and modern understanding of microbes, highlighting early guesses about their existence and impact on health. It discusses the lifecycle of parasitic flatworms and their limited effect on humans, emphasizing the broader roles of microbes in the environment. The dual nature of microbes, both harmful and beneficial, is examined, along with the complexities of nematodes and euglena in ecosystems. The video concludes with a discussion on human responses to microbes, including the challenge of antibiotic resistance.

Who was the Roman scholar that speculated about unseen organisms causing diseases?

• Gaius Plinius Secundus

• Marcus Terentius Varro

• Julius Caesar

• Seneca the Younger

What is the common name for cercarial dermatitis?

• Water bumps

• Aqua allergy

• Swimmer's rash

• Swimmer's itch

What term is used to describe the community of microorganisms living in and on our bodies?

• Microflora

• Microbiome

• Microfauna

• Microcosmos

What percentage of microbial species are estimated to be pathogenic?

• 10%

• 5%

• 20%

• Less than 1%

What is the estimated number of nematodes for every person on Earth?

• 60 billion

• 100 billion

• 20 billion

• 10 billion

Which organism released a toxin similar to fire ant venom in 2002?

• Euglena zielona

• Nematode

• Parasitic flatworm

• Bacillus anthracis

What is a potential benefit of euglena in the culinary field?

• Low in calories

• High in carbohydrates

• Contains essential fats

• Rich in proteins and vitamins