6.5.1 Quiz Aquatic Biomes

Which of the following is an example of an abiotic factor?

• Fish

• Algae

• Sunlight

• Bacteria

Which freshwater region is characterized by flowing water?

• Lakes

• Rivers

• Ponds

• Wetlands

What promotes the growth of algae and plants in ponds?

• Cold, dark water

• Warm, sunlit water

• Salty, murky water

• Fast-moving water

True of False: The temperature of the ocean water decreases as the depth of the water increases.

• True
• False

What are areas where freshwater meets saltwater called?

• wetlands
• estuaries
• coastal byways
• intertidal zones

Which best describes the source of oxygen in ocean water?

• Oxygen is produced by marine plants in the process of making food.
• 
  Oxygen is produced through the exhalations of marine animals.
• 
  Oxygen is produced through precipitation falling on the ocean.
• Oxygen is produced by nodules on the ocean floor.

The marine ecosystem providing the most habitat and with the MOST diversity is

• sandy beach

• rocky shore

• coral reef

• kelp forest

Area at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. Depth can vary.

• Pelagic Zone

• Intertidal Zone

• Benthic Zone

• Abyssal Zone

What is the characteristic of the littoral zone in lakes and ponds?

• Deep water with little sunlight

• Shoreline, nutrient-rich and diverse

• Open water with no plant life

• Bottom layer with no light

Why are few plants found on the bottom floor of the ocean?

• Floor has decomposers
• Sunlight doesn't reach the floor
• Water is a limiting factor
• Temperature is low