Unit 11 Practice

Front

What type of fish is characterized by being black, small, with tiny eyes and weak, flabby muscles?

Back

Deep pelagic fish are characterized by these traits.

Front

What type of bacteria thrive around deep-sea hydrothermal vents?

Back

Chemosynthetic bacteria thrive around deep-sea hydrothermal vents.

Front

What is countershading?

Back

Countershading is a form of protective coloration that helps organisms avoid detection by predators.

Front

Which feature is least likely to be found in a vertical non-migrating mesopelagic fish?

Back

Swim bladder is least likely to be found in a vertical non-migrating mesopelagic fish.

Front

What is a characteristic of kelp?

Back

Kelp do not have roots.

Front

What is the primary function of gas bladders in aquatic plants?

Back

Gas bladders help keep aquatic plants afloat.

Front

What is the difference between mesopelagic and deep pelagic fish?

Back

Mesopelagic fish are found in the middle layer of the ocean and may migrate vertically, while deep pelagic fish live in the deeper parts of the ocean.

Front

What is the role of chemosynthetic bacteria in deep-sea ecosystems?

Back

Chemosynthetic bacteria convert inorganic compounds into organic matter, serving as a primary food source in deep-sea ecosystems.

Front

What is protective coloration?

Back

Protective coloration is a form of camouflage that helps organisms blend into their environment to avoid predation.

Front

What adaptations do deep-sea fish have for survival?

Back

Deep-sea fish often have adaptations like bioluminescence, large mouths, and weak muscles.