Biomes and Aquatic Ecosystems Quiz

What are biomes?

• Groups of ecosystems with similar climates and organisms

• Areas with high precipitation and nutrient-rich soil

• Regions with extreme temperature changes between day and night

• Communities of marine organisms

Which biome has the most species?

• Tropical Rain Forest

• Temperate Forest

• Desert

• Tundra

What is the main characteristic of the understory in a tropical rain forest?

• Tall trees forming a dense leafy covering

• Shorter plants growing in the shade below the canopy

• Organic matter on the forest floor

• Rich soil with high nutrient content

Which biome receives less rain than a tropical dry forest but more than a desert?

• Tropical Rain Forest

• Temperate Grassland

• Tropical Dry Forest

• Boreal Forest

What is the main characteristic of the temperate woodland and shrubland biome?

• Large areas of grasses interspersed with trees

• Cold winters and warm summers

• Fertile soil rich in humus

• Woody plants that resist water loss

Which biome has mild temperatures and abundant rain?

• Tropical Rain Forest

• Temperate Forest

• Boreal Forest

• Desert

What is the main characteristic of the tundra biome?

• Permanently frozen subsoil

• Dense forests of evergreen conifers

• Small plants due to difficulty in taking root

• Extreme temperature changes between day and night

What factors shape aquatic ecosystems?

• Salinity, depth, temperature, flow rate, and nutrient concentrations

• Precipitation and soil type

• Elevation and sunlight exposure

• Humidity and wind speed

Which zone of the open ocean is sunlit and supports photosynthesis?

• Photic Zone

• Aphotic Zone

• Intertidal Zone

• Coastal Ocean

What are the major categories of freshwater ecosystems?

• Rivers and Streams, Lakes and Ponds, and Freshwater Wetlands

• Tropical Rain Forest, Temperate Forest, and Boreal Forest

• Desert, Tundra, and Grassland

• Photic Zone, Aphotic Zone, and Intertidal Zone