The Ocean’s 3 Light Zones

Hey, who turned off the light?

Sunlight Zone• Surface to 600 feet deep• Top layer, near the surface.• Photosynthesis occurs here

• 90 % of all marine life lives here•Most fish & plankton live here.

Twilight Zone • Only a small amount of light• More pressure and colder

• No plant life•Only a few animals who have adapted to little light can survive here

• 600 feet to 3000 feet deep

Midnight Zone • Below 3000 feet

•No light• 90% of ocean is in this zone• Extreme water pressure• Freezing Temperatures•Not exactly cozy to most!

Life in the “Zone”Life in the “Zone”akathe

freak show!

Phytoplankton

Plantlike organisms

Produce much ofthe world’s oxygen through photosynthesis.

Act as the base of the ocean’s ecosystem & food chain.

Live in the sunlight zone.

Jelly Fish in the Twilight ZoneBioluminescence

These creatures make their own light!

Hatchetfish

In the Twilight Zone

Humboldt Squid

Gulper Eel Midnight Zone

Hairy Angler Fish – Midnight Zone

Tripod FishBeyond the Midnight Zone in the Abyss

Vampire Squid

Ha! Ha! I want your blood!!!

Giant Tube WormIn the Abyss