Ocean Life

Life in the Ocean

Multiple Choice

Why does most of the ocean life live in or at least visit the ocean surface?  

• that is where the majority of the oxygen and sunlight occurs
• that is where chemo-synthesis occurs and therefore more life
• the water pressure is higher there and is more enjoyable
• the temperatures are colder and most animals need cooler temperatures

Multiple Choice

Animal members of the plankton community.

• Phytoplankton
• Meroplankton
• Holoplankton
• Zooplankton

Multiple Choice

What type of marine life is free-swimming in the open ocean?

• nekton

• plankton

• krypton

• benthos

Multiple Choice

A whale can be described as

• Plankton

• Pelagic

• Benthos

• Nekton

Multiple Choice

Which lives at the top of the ocean, or as far down as the sun can penetrate?

• Nekton

• Plankton

• Benthos

Multiple Choice

This classification dwells on the ocean floor

• Benthos
• Nektons
• Phytoplankton
• Zooplankton

Multiple Choice

Upwellings...

• bring humans for fishing.

• draw in marine organisms for feeding.

• increase productivity.

• All of these.

Multiple Choice

A result of upwelling is a/an _________ in nutrients in the water.

• Decrease
• Increase
• No Change

Multiple Choice

Why is upwelling important?

• Upwelling regulates ocean temperature

• Upwelling provides nutrient rich water that sustains life

• Upwelling controls the tides

• Upwelling helps sailors to navigate the seas