Ecostudent Challenge 100 Question Flashcard

Front

When should you avoid swimming in the ocean?

Back

dawn, dusk, or at night as this is when sharks are most likely to feed

Front

Why should you leave shiny jewelry at home?

Back

sharks may mistake it for the flash of a fish’s scales

Front

Great white sharks can detect a single drop of blood in how many gallons of water?

Back

25 gallons

Front

Giant manta rays have a wingspan of more than how many feet?

Back

20 feet

Front

True or False- Manta rays are harmless to humans?

Back

True- unlike stingrays, manta rays don’t have barbs or stingers at the end of their tails, rendering them harmless to swimmers and divers.

Front

True or False- Manta rays have the largest brains of any species of fish. They can recognize their own reflection, and show signs of self awareness.

Back

True

Front

What are some areas of the world that manta rays have been found?

Back

Tropical, subtropical, temperate oceans, all across the globe!

Front

Why are manta rays under threat of extinction?

Back

They are hunted for their gills and poor fishing practices.

Front

Where does “runoff” come from that reaches the ocean and kills marine life?

Back

Farming, sewage, chemical use.

Front

What is the area of the ocean that is depleted of oxygen and causes marine animals to suffocate?

Back

A dead zone