Aquatic Biomes Quiz

What is the largest biome on Earth?

• Desert

• Tundra

• Ocean

• Rainforest

Which zone of the ocean biome is the shallowest, where the ocean meets land?

• Intertidal zone

• Benthic zone

• Abyssal zone

• Pelagic zone

What are the small photosynthetic organisms in the pelagic zone called?

• Plankton

• Kelp

• Coral

• Seaweed

What type of water biome is formed when a freshwater river meets a saltwater ocean?

• Intertidal zone

• Estuary

• Pelagic zone

• Reef

Which type of freshwater biome is known for being the largest breeding ground for insects, fish, reptiles, and birds?

• Wetlands

• Lakes and Ponds

• Swamps

• Streams and Rivers

What special adaptation do aquatic plants have to help them float?

• Waxy leaves

• Long roots

• Narrow leaves

• No adaptations

What do aquatic animals use to absorb oxygen dissolved in the water?

• Blowholes

• Skin

• Gills

• Lungs

Which of the following is a filter feeder in aquatic environments?

• Octopus

• Dolphin

• Shark

• Clam

What adaptation do some aquatic organisms have to hold themselves firmly in place?

• Larvae that tie themselves to rocks

• Jets of water

• Long legs

• Webbed feet

Which organisms spend part of their life cycle in the water?

• Butterflies

• Bees

• Ants

• Mosquitoes