Chapter 1 Part 2

How many known species of fish are there?

• Over 50,000

• Less than 10,000

• Around 20,000

• Over 34,000

Where are fish found in diverse environments?

• In freshwater, marine, and brackish water

• Only in freshwater lakes

• Only in deep seas

• Only in marine oceans

What is the definition of Taxonomy?

• Study of fish habitats

• Handling of fish specimens

• Study of fish evolution

• Science of observation and classification of organisms

What is the main aim of Taxonomy?

• To build and maintain a classification system for all organisms

• To confuse researchers

• To limit knowledge about organisms

• To hide information about organisms

Which group of fish lacks jaws and paired fins?

• Jawless Fish

• Cartilaginous Fish

• Ray-finned Fish

• Bony Fish

What is the characteristic of Cartilaginous Fish?

• Skeleton made of bones

• Rough skin due to scales

• Lack of jaws and paired fins

• Elongated eel-like bodies

Which type of fish has fins supported by bony rays?

• Salmon

• Coelacanths

• Lampreys

• Sharks

What is the characteristic of Lobe-finned Fish?

• Fins with lobed base

• Elongated eel-like bodies

• Skeleton made of cartilage

• Swim bladders for buoyancy control

What is the role of Taxonomy in biology?

• To limit knowledge about organisms

• To hide information about organisms

• To provide information on organism evolution

• To confuse scientists

Which type of fish has a fleshy, lobed base for fins?

• Hagfish

• Coelacanths

• Salmon

• Sharks