Mbio Final Review S19

Front

What is the primary function of mucus in sponges?

Back

Prevent predation.

Front

Which characteristic is NOT associated with simple worms?

Back

Possesses a circulatory system.

Front

What term describes organisms that are attached to the sea floor and cannot move?

Back

Sessile.

Front

Which of the following is NOT a marine lifestyle?

Back

Peliagos.

Front

Which organism is known to swim using flagella?

Back

Dinoflagellate.

Front

Define 'heterotrophic'.

Back

Organisms that obtain their food by consuming other organisms.

Front

What is the role of plankton in marine ecosystems?

Back

Plankton serve as a primary food source for many marine animals.

Front

What distinguishes nekton from plankton?

Back

Nekton are actively swimming organisms, while plankton are mostly drifting.

Front

What is the significance of benthos in marine environments?

Back

Benthos are organisms that live on or in the sea floor, playing a crucial role in nutrient cycling.

Front

Define 'extremophiles'.

Back

Organisms that thrive in extreme environmental conditions.