Plankton & Marine Biodiversity Lab Review

What organism(s) are pictured here?

• Diatoms

• Dinoflagellates

• copepods

• Nekton

Animal members of the plankton community.

• Phytoplankton
• Meroplankton
• Holoplankton
• Zooplankton

You like to breathe? More than half of Earth's oxygen is created by ______________in the ocean, but their levels are declining because oceans are warming up.... 😠

• phytoplankton

• zooplankton

• chemosynthesis, hydrothermal vents

• agricultural plants

Another reason algae /phytoplankton are important is because these serve as _____________ to most food chains in the ocean

• salinity protection

• primary food source

• barriers from strong currents/weather systems

Most common crustacean:

• Shrimp

• Crabs

• Copepods

• Barnacles

The copepod feeds on...

• the krill

• the phytoplankton

• the squid

• the blue whale

Organisms that float or drift in the ocean's currents

• plankton

• nekton

• meroplankton

• holoplankton

The daily movement of plankton vertically up towards the surface in sunlight and down to hide from predators at night is considered the largest migration on earth

• True

• False

Refers to organisms that are plankton for only a small part of their life cycles

• holoplankton

• meroplankton

• nekton

• zooplankton

Refers to plankton that are photosynthetic autotrophs

• phytoplankton

• holoplankton

• meroplankton

• zooplankton