rov
ocean layers
creatures
exploration
sea features
100

What does ROV stand for?

Remotely operated vehicle

100

What is the name of the zone that is at the top of the ocean?

Epipelagic zone

100

How do you tell a crabs gender?

Male crabs have a "lighthouse" shape on their stomach

100

what is ocean drilling?

Taking a sample of the ocean floor to collect data

100

What animals eat marine snow?

Small animals.

200

What part of the ROV connects all the wires together?

Control box/the brain

200

What is the second layer of the ocean?

Mesopelogic zone

200

What body parts can lobsters regrow?

Arms/claw and eyes

200

What is sonar exploration?

Uses sound waves to map the ocean floor

200

How are mid ocean ridges formed?

Tectonic plates move apart and magma rises up into the ocean floor

300

Why were rovs created?

To explore parts of the ocean that are too deep/dangurous for humans

300

what layer of the ocean is constantly dark?

The bathypeligic zone or the midnight zone

300

Which gender sea horses get pregnant?

Male

300

Why is it so difficult to explore the ocean?

Extreme pressure, darkness, and cost

300

What is a whale fall?

when a whale carcas has reached the ocean fall.

400

What are 3 tasks ROVs can perform under water?

1. use camera to see things

2. Grab things

3. pick up liquid sample

400

How many main ocean layers are there?

5

400

Why can dolphins swim while they sleep?

They use half their brain and keep one eye open

400

How do submarines work?

Flood the ballast tanks with water, submarine sink.

Pump air into the ballast tanks, submarine rises.

400
What are cold seeps home to?

Biodivercity

500

What is the name of the first Rov created?

POODLE

500

What ocean zone is home to 90% of life?

The epipelagic zone

500

Why are sharks dark on top and light on the bottom?

So that they blend in with the bright sun from the bottom and blend in with the water from the top

500

What percent of the ocean has been explored?

Less than 10%

500

What is a abyssal plain?

A large flat section of the sea floor

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