Marine Science 2 Exam Review Fall, 2023

Front

What is the phylum of a planarian?

Back

Platyhelminthes

Front

What structure do fish have that sharks do not?

Back

Operculum

Front

What are the two stages of Cnidarians?

Back

Medusa and Polyp

Front

What is the integumentary system of fishes and butterflies primarily composed of?

Back

Scales

Front

What are the three major body sections of insects?

Back

Head, Thorax, Abdomen

Front

Define the term 'Echinodermata'.

Back

A phylum of marine animals characterized by a hard, spiny covering and a water vascular system, including starfish and sea urchins.

Front

What is the primary function of gills in fish?

Back

To extract oxygen from water.

Front

What is the role of the operculum in fish?

Back

It covers and protects the gills and helps in the respiration process.

Front

Describe the polyp stage of Cnidarians.

Back

A sessile, cylindrical form that is typically attached to a substrate and has a mouth surrounded by tentacles.

Front

What is the function of scales in fish?

Back

To provide protection and reduce friction while swimming.