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

Fill in the Blanks

pH is measured on a scale of

to 14.

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.

Fill in the Blanks

Rivers tend to have more

and less dissolved oxygen compared to streams.

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

7 on the pH scale is

.

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