Mr K Blue Planet 2 Ep2.2 Quiz

How do the corals survive in the deep ocean?

• from the minimal sunlight that penetrates the ocean

• from chemicals in the sea that help it perform "chemo-synthesis"

• relying only on the food that drifts in the currents

• from the organisms in their bodies that help it produce food

What type of organism was serving as protection for the deep sea shrimp from other predators?

• deep sea corals

• a feather star

• a sponge

• sea anemone

True or False. After releasing its larvae, the shrimp couple were able to escape its habitat through the holes in the organism that it was inside.

• True

• False

What is affecting the survival of the deep sea reefs more than anything?

• Fishing practices

• Increase in ocean temperature

• Plastics in the oceans

• Excessive storms

Over time, organic matter on the ocean floor slowly decays, producing which gas, as a by-product?

• carbon dioxide

• methane

• oxygen

• hydrogen

The deep "lakes" at the bottom of the ocean consist of a high concentration of what, that kills many organisms?

• salt

• methane

• carbon dioxide

• toxic waste

What is the deepest of all trenches in our oceans?

• Mariana Trench

• Everest Trench

• Hawaii Trench

• Aleutian Trench

The pressure at the bottom of the deepest ocean trench is the equivalent of ​ (a)   jumbo jets stacked on top of one another.

• 50
• 15
• 100
• 30

Which was the deepest ocean fish, so far, discovered?

• snail fish

• pig fish

• angler fish

• scabbard fish

The underwater mountain ranges that span the entire globe is also referred to as the ...

• mid-ocean ridge

• the sea mountains

• sub-global range

• Atlantis