Challenges of Life in the Ocean

Dropdown

Diffusion is the process of molecules moving from areas of ​

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concentration to ​

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concentration.

Multiple Choice

True or False: The cell membrane allows some substances to enter the cell while some substances are blocked.

• True

• False

Multiple Choice

True or False: Osmosis and diffusion allow material to move freely in both directions.

• True

• False

Multiple Choice

This process helps to remove excess sodium from the cell.

• Passive transport

• Active transport

• Cellular respiration

• Cell cycle

Multiple Choice

Which type of organism maintains a water and solute balance independent of what is going on outside?

• Osmoconformers

• Ectotherms

• Homeotherms

• Osmoregulators

Multiple Choice

True or False: Seawater has a high transparency.

• True

• False

Multiple Choice

True or False: Many organisms that live in the deep do not have lungs or other air pockets, so they do not feel the pressure.

• True

• False

Dropdown

Water pressure increase about ​

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kg with every ​

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meters at depth.

Multiple Choice

How many meters can sunlight penetrate?

• 100

• 10,000

• 1,000

• 10

Multiple Choice

What type of organism is a reptile?

• Ectotherm

• Endotherm

• Homeotherm

Multiple Choice

What type of organism is a shark?

• Ectotherm

• Endotherm

• Homeotherm

Multiple Choice

What type of organism is a whale?

• Ectotherm

• Endotherm

• Homeotherm

Dropdown

As salinity​

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and temperature ​

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, the viscosity of seawater increases.

Multiple Choice

What type of organism insulates their body with hair, feathers or blubber?

• Ectotherm

• Endotherm

• Homeotherm