Biomes
Layers of the Sea
Salt water
Fresh water
Misc.
100

This biome is hot, dry, and gets very little rain. You’ll find cacti and lizards here.

What is the desert?

100

This top ocean layer gets the most sunlight and is where most sea life is found.

What is the epipelagic zone (sunlight zone)

100

This covers about 70% of Earth’s surface and is filled with salt water.

What is the ocean?
100

Only about 3% of all the water on Earth is this type of water we can drink.

What is freshwater?

100

We have this many main oceans on Earth.

What is 5 oceans?

200

This biome is the largest on Earth and is made up of salt water.

What is the ocean?

200

This ocean layer lies just below the sunlight zone, is darker, and home to animals like squid and lanternfish.

What is the mesopelagic zone (twilight zone)?


200

The largest ocean on Earth, it touches the coasts of Asia, Australia, and the Americas.

What is the Pacific Ocean?

200

Most of Earth’s freshwater is frozen in these icy landforms found at the poles.

What are glaciers (or ice caps)?

200
Name activities that humans enjoy doing in the Sunlight Zone.

What is fishing and swimming?

300

This biome has four seasons—spring, summer, fall, and winter—and trees that lose their leaves in autumn.

What is the temperate deciduous forest?

300

This layer, starting around 3,300 feet deep, is completely dark and very cold.

What is the bathypelagic zone (midnight zone)?

300

The ocean’s salt comes mostly from these tiny bits of rock that get washed into the sea by rivers.

What are minerals?

300

This is the largest freshwater lake in the world by surface area, located between the U.S. and Canada.

What is Lake Superior?

300

This is the deepest part of the ocean explored by humans.

What is the Mariana Trench?

400

This biome covers much of northern Canada, Russia, and Alaska. It is very cold, with permafrost and very few trees.

What is the tundra?

400

This zone is found near the ocean floor, where pressure is extremely high, but creatures like anglerfish and giant squid can survive.

What is the abyssopelagic zone (the abyss)?

400

The ocean’s salt comes mostly from these tiny bits of rock that get washed into the sea by rivers.

What are ocean currents?

400

This freshwater animal hops between water and land and has smooth, moist skin.

What is a frog?

400

This is the name for the never-ending movement of water between the ocean, land, and sky.

What is the water cycle?
500

This biome is known for having the greatest biodiversity on Earth. It is warm, rainy, and located near the equator.

What is the tropical rainforest?

500

This narrow ocean layer is found in deep trenches, where pressure is the greatest on Earth.

What is the hadalpelagic zone (the trenches)?

500

Because of all the salt, if you swim in this salty body of water between Israel and Jordan, you’ll float easily.

What is the Dead Sea?

500

 This freshwater predator has sharp teeth, a long body, and can be found in rivers around the world.

What is an alligator?

500

These big mammals live in the ocean and include species like blue and humpback types.

What are whales?