Zoology Final Review

Front

What is a coelomate?

Back

A coelomate is an animal that has a true body cavity completely lined by mesoderm.

Front

Which group of fish is the most diverse today?

Back

Ray-finned fish are the most diverse group of fish today.

Front

Are bird bones hollow?

Back

False. Bird bones are not hollow like a straw; they are lightweight and have a unique structure.

Front

Do all arthropods have jointed appendages?

Back

True. All arthropods possess jointed appendages.

Front

What develops into the spinal cord in chordates?

Back

The notochord develops into the spinal cord in chordates.

Front

What is the function of the notochord in chordates?

Back

The notochord provides structural support and is a precursor to the spinal column.

Front

Define a pseudocoelomate.

Back

A pseudocoelomate is an animal with a body cavity that is not completely lined by mesoderm.

Front

What is an acoelomate?

Back

An acoelomate is an animal that lacks a body cavity.

Front

What are the main characteristics of ray-finned fish?

Back

Ray-finned fish have a skeleton made of bone, fins supported by bony rays, and are the most diverse group of fish.

Front

What is the significance of jointed appendages in arthropods?

Back

Jointed appendages allow for greater mobility and flexibility in movement.