Fish: Osteichthyes

Front

What does the term ectothermic mean?

Back

The temperature of the organism is regulated by the environment.

Front

How many chambers do the hearts of fish have?

Back

Two.

Front

What toxins are commonly found in fish and seafood?

Back

PCBs, lead, mercury, dioxins, and all of these!

Front

Which type of fish has its eggs harvested for caviar?

Back

Sturgeon.

Front

What term describes fish that give live birth and nourish embryos with a placenta?

Back

Viviparous.

Front

What is the primary characteristic of Osteichthyes?

Back

They are bony fish with a skeleton made of bone.

Front

What is the function of gills in fish?

Back

Gills extract oxygen from water.

Front

What is the difference between oviparous and viviparous fish?

Back

Oviparous fish lay eggs, while viviparous fish give live birth.

Front

What is the role of the swim bladder in fish?

Back

It helps fish maintain buoyancy in water.

Front

What is the significance of lateral lines in fish?

Back

Lateral lines detect water movements and vibrations.