Intro Terrestrial and Aquatic Biomes

Which of the following is NOT a limiting factor of aquatic biomes?

• salinity (amount of salt)

• amount of dissolved oxygen

• sunlight

• water pressure

Which of the following is NOT a freshwater ecosystem?

• stream

• pond

• estuary

• river

How do freshwater rivers and streams differ?

• Rivers have low levels of dissolved oxygen but are rich in nutrients, while streams have high levels of dissolved oxygen by are nutrient poor.

• Rivers have high levels of dissolved oxygen but are nutrient poor, while streams have low levels of dissolved oxygen but are rich in nutrients.

Select all of the characteristics associated with freshwater ponds. (Click multiple answers)

• small, shallow

• large, deep

• sunlight reaches the bottom

• plant material limited to the shoreline

• filled with plant material

In which aquatic biome does saltwater and freshwater mix?

• Estuary

• Intertidal Zone

• Photic Zone

• Coral Reef

How do the photic and aphotic zones of the open ocean differ?

• The aphotic zone receives sunlight and has abundant plant and animal life, while the photic zone does not receive sunlight, lacks plant life, but has highly specialized animals.

• The aphotic zone does not receive sunlight, lacks plant life, but has highly specialized animals, while the photos zone receives sunlight and has abundant plant and animal life.

Which saltwater biome is found in warm, shallow waters near the edge of continents?

• Estuary

• Intertidal Zone

• Photic Zone

• Coral Reef

Which two terrestrial biomes receive the least amount of precipitation?

• tundra and taiga

• tundra and desert

• desert and taiga

• desert and grassland

Which terrestrial biome is located near the equator and includes the Amazon and Congo river basins and most of Southeast Asia?

• Tropical grassland (savanna)

• Tropical rainforest

• Temperate deciduous forest

• Temperate grassland (prairie)

Which arid terrestrial biome is located in the southwestern corner of the US, the Middle East, and covers most of Australia?

• Desert

• Grassland

• Temperate Deciduous Forest

• Taiga