Share Secnondary 1 Uni 7 Video and Grammar 1
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What is David Gruber’s job?
Oceanographer
What was David’s first fascination with the ocean? A) Collecting shells B) Fishing C) Riding waves D) Scuba diving
C) Riding waves
What question did David start to wonder while waiting for waves?
“What’s beneath me?”
What did David want to photograph? A) To make it look artistic B) To see it the same way fish do C) To study coral reefs only D) To test new camera filters
B. To see it the same way fish do
Fish live in a world that is mostly what color?
Blue
What do you call animals that glow under special light?
Biofluorescent animals
What was the first biofluorescent animal David found?
Small eel
Which of these did David discover to be biofluorescent?
Shark
What kind of sea animal did David discover most recently that glows?
A biofluorescent sea turtle
What does David think glowing animals might use fluorescence for?
To communicate
What does the word oceanographer mean?
A scientist who studies the ocean and its life
What does fluorescence mean?
The emission of light by a substance that has absorbed light
What does species mean in science?
A group of similar living organisms
What special thing did David discover about some ocean animals?
Some ocean animals can glow in the dark.
Why does David think some animals glow?
He thinks they glow to talk or communicate with each other.
