Terrestrial and Aquatic Life Zones Challenge

What is the term for the sunlit region of a body of water, near the surface, in which photosynthesis can occur?

• photic zone

• aphotic zone

• abyssal zone

• benthic zone

Which biome is the red arrow pointing to?

• boreal forest

• desert

• temperate deciduous forest

• tropical rainforest

What is humus?

• a disease caused by a microorganism that disrupts normal body functions

• water that is a mix of salty water and fresh water

• A rich material formed from decaying leaves and other organic matter that is found in soil

• complex carbohydrate that makes up the cell walls of fungi

Which of the following is a saltwater ecosystem?

• Oceans

• River

• Ponds

• Lakes

Which of the following ecosystems is characterized by flat land, little rainfall, and low growing plants such as grass and wildflowers?

• Grassland

• Boreal Forest

• Tundra

• Tropical Rainforest

What biotic factors are likely to be present in a river ecosystem?

• coral, clownfish, sponges

• water, soil, starfish

• otters, ducks, bass

• water, soil, air, sunlight

The most biodiverse biome is:

• Taiga

• Chaparral

• Savanna

• Tropical Rainforest

Tiny, floating organisms that perform photosynthesis are called _________.

• benthos

• zooplankton

• lichens

• phytoplankton

What is an estuary?

• an ecosystem formed where a river meets the ocean

• a small geographic area where significant numbers of plants contain nitrogen-fixing bacteria on their roots

• tall, broad-leaf tree that grows in tropical rainforests

• an ecosystem mostly dominated by coniferous plants

Which ecosystem has permafrost, which is soil that is frozen?

• tropical dry forest

• tundra

• temperate woodland and shrubland

• desert