Aquatic ecosystems

Multiple Choice

Where would you find the warmest water temperatures?

• Equater

• Poles

• Temperate Range

• Glaciers

Multiple Choice

Dissolved Oxygen is the highest concentration....

• After it enters the ocean

• In the mountains near the start

• At the tail end near the delta

• In the middle where the river widens

Dropdown

Zooplankton are to animals, as Phytoplankton are to​

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Multiple Choice

Decomposer organisms are

• Benthos

• Fungi

• Bacteria

• Phytoplankton

Multiple Choice

Why are are some mountain lakes so clear?

• Lots of decomposers

• High nutrients

• Low nutrients

• They are more shallow

Dropdown

Oligotrophic is to Low nutrients, as Eutrophic is to ​

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Multiple Choice

Predict the amount of nutrients in this lake.

• High nutrient

• Low nutrients

• No nutrients

Multiple Select

The source of a river is characterized by

• Cold Temperatures

• Warm Temperatures

• High nutrients

• Low nutrients

Multiple Select

As water moves through the transition zone

• Temps increase

• Temps d

Multiple Select

What 2 factors limit marine life?

• Nutrients

• Sunlight

• Temperature

• Salt level

• Soil type

Multiple Choice

Bodies of water that are mixtures of fresh and salt water are called?

• Estuaries
• Ponds
• Rivers
• Lakes

Multiple Choice

The zone between high tide and low tide is called?

• Coastal zone
• Neritic zone
• Benthic zone
• Intertidal zone

Multiple Choice

What percentage of sea life is found in the coastal zone?

• 10%

• 50%

• 75%

• 90%

• 100%

Hotspot

Which zone would you expect to have corral reefs in?

Dropdown

The ​

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zone is the closest to the surface of the ocean, and has plenty of sunlight for photosynthesis. The ​

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zone is the middle layer of the ocean, and has some sunlight but not enough for photosynthesis. The ​

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zone is the bottom layer, and no sunlight reaches this level.

Multiple Choice

What type of organism would fulfill the first trophic level in the abyssal plane?

• Herbivores

• Carnivores

• Scavengers

• Autotrophs

Multiple Choice

Organisms around hydrothermal vents get energy through.

• chemosynthesis
• radiation absorption
• photosynthesis
• organic decomposition