Supercostudent 100 Questions

When should you avoid swimming in the ocean?

• Dawn, dusk, or at night as this is when sharks are most likely to feed.

• At noon when sharks are the hungriest.

Why should you leave shiny jewelry at home?

• Sharks may mistake it for the flash of a fish's scales.

• Sharks like to eat jewelry.

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

• 10 Gallons

• 30 Gallons

• 25 Gallons

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

• 3 feet

• 20 feet

• 60 feet

True or False - Manta rays are harmless to humans?

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

• False - They are vey dangerous to both humans and other animals.

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.

• True - they have scored high on intelligence tests.

• False - they have scored very low on intelligence test.

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

• Only in Arctic areas

• Only in tropical areas

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

Tags

NGSS.MS-LS2-1

Why are manta rays under threat of extinction?

• They are hunted for their gills.

• Poor fishing practices.

• They are not hunted.

• They are hunted for their gills and poor fishing practices.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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

• Farming

• Sewage

• Chemical use

• All of the above

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

• A live zone

• A dead zone

• A free zone

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4