One Strange Rock - "Survival"

According to Will Smith, who is the best “serial killer”?

• Humans

• Mother Earth

• Viruses

• Meteorites

What percentage of species that have ever lived are gone?

• 99.9%

• 10%

• 50%

• 1%

What happened 252 million years ago?

• A meteor hit the planet

• Earth suddenly became toxic

• The oceans froze

• Civilization began

What is the Great Dying?

• Oceans turning green

• Climate change killing all humans

• 96% of species rapidly have gone extinct

• Dinosaur extinction

What does the diversity of living things on Earth ensure?

• That there are different environments

• Darwin's theory of evolution

• Genetic drift

• Life will go on

What do corals do on the night of the full moon?

• They die

• Change color

• Release eggs and sperm

• Attack and eat prey

What will happen if the mayfly nymph does not swim to the surface fast enough?

• Drowns

• Gets taken away by the current

• Won't find a mate

• Gets eaten by a fish

What is strange about adult mayflies?

• They emerge with no mouth or digestive system

• They have no eyes

• They only live for 15 minutes

• They are called a fly, but are actually amphibians

How many cells are in the typical human body?

• 200 billion

• 37 trillion

• 98 million

• 47 gazillion

What good do fires bring?

• Warmth in a cold night

• Scares away large predators

• Burn away the dead brush to allow new things to grow

• Smoke covers the Earth from malignant rays from the sun