Aquatic Biomes

Multiple Choice

Which of the following is a limiting factor in water biomes?

• Amount of salt (salinity)

• Temperature

• Wind speed

• Soil type

Multiple Choice

Which of the following is NOT a limiting factor in water biomes?

• Amount of salt (salinity)

• Amount of dissolved oxygen

• Sunlight

• Temperature

Multiple Choice

How can excessive amounts of dissolved salt in water impact the environment?

• It can affect agriculture, drinking water supplies, and ecosystem health.

• It increases the amount of dissolved oxygen in water.

• It makes water more acidic.

• It reduces the amount of sunlight reaching aquatic plants.

Multiple Choice

Which of the following best describes salinity?

• The amount of dissolved salts in a body of water, typically expressed as parts per thousand.

• The amount of oxygen dissolved in water.

• A measure of how acidic or basic a substance is.

• The amount of sunlight received by water.

Multiple Select

Which of the following factors are influenced by sunlight in aquatic environments?

• Drives ocean currents

• Influences water temperature

• Influences salinity

• All of the above

Multiple Choice

How does the speed of water flow in a stream affect the amount of dissolved oxygen present?

• Faster water flow increases dissolved oxygen.

• Faster water flow decreases dissolved oxygen.

• Water flow speed has no effect on dissolved oxygen.

• Slower water flow increases dissolved oxygen.

Multiple Select

Which of the following are characteristics of ponds?

• Small, shallow bodies of water

• Sunlight penetrates to the bottom

• Completely filled with plant material

• Very low amount of nutrients

Multiple Choice

Which of the following statements about lakes is true?

• Lakes are shallower than ponds.

• Plant growth occurs throughout the entire lake.

• Sunlight penetrates to the bottom of all lakes.

• Larger lakes are deeper than ponds.

Multiple Choice

What is a defining characteristic of wetlands?

• Water covers the soil all year or for varying periods

• They are always dry

• They are only found in deserts

• They never support plant growth

Multiple Select

Which of the following are true about phytoplankton?

• They are important producers in water biomes.

• They are the first step in many aquatic food chains.

• They are large aquatic animals.

• They live only in saltwater biomes.

Multiple Choice

What percentage of the water on Earth has a high concentration of salt?

• 50%

• 75%

• 95%

• 25%

Multiple Select

Which of the following organisms can be found in tidal pools during low tide?

• Small fish

• Clams

• Crabs

• Frogs

Multiple Choice

Which of the following is an example of an estuary mentioned in the slides?

• Savannah River

• Carolina Bay

• Mississippi River

• Amazon River

Multiple Choice

Areas of land where the ground is covered by water

• Deserts

• Mountains

• Wetlands

• Plateaus

Match

Match the following

• Photic

• Aphotic

• Benthic

The portion of water that the light can penetrate.

The portion of water that light CANNOT penetrate.

Bottom of a body of water.

• The portion of water that the light can penetrate.

• The portion of water that light CANNOT penetrate.

• Bottom of a body of water.

Fill in the Blanks

Multiple Choice

Where coral and fish live

• Midnight Zone

• Aphotic Zone

• Ocean floor

• Photic Zone

Multiple Choice

Wetland dominated by small trees and woody shrubs

• benthic zone

• glade

• marsh

• swamp