How are organisms adapted to live in the deep sea?

Science

Which of these is not a condition of the deep sea environment?

What is the correct word for light that is emitted by living organisms?

Which of these is not a type of body that is camouflaged in the deep sea?

It is able to swallow food that is large and store it

How is the black swallower adapted to scarce food?

How long can elephant seals hold their breath for?

Which of these is NOT an adaptation that helps marine animals to breathe?

They are dark coloured on the top and light coloured on the bottom

They are light coloured on the top and dark coloured on the bottom

Which statement is true about many marine animals?