Marine Science 2Nd Semester Review

MARINE SCIENCE SECOND SEMESTER EXAM REVIEW

MARINE POPULATIONS

1. Explain the adaptations to the marine environment in terms of pigments and structures of the following algae:

a. Phaeophyta

b. Chlorophyta

c. Rhodophyta

2. Give adaptations to the marine environment for the following groups based on their buoyancy, pigments, reproductions, and movement methods.

Cyanobacteria / Dinophyta / Bacillariophyta
Examples
Adaptations

3. Explain the adaptations to the marine environment of the following invertebrate phylums in terms of their movement, specialized systems, protection, and feeding methods.

a. Porifera

b. Cnidarian

c. Ctenophora

d. Mollusca

e. Annelida

f. Arthropoda

g. Echinodermata

4. Describe adaptations and give examples of the different fish classes.

Agnatha / Osteichthyes / Chondrichthyes
Examples
Adaptations

5. What is the function of the swim bladder? In which class of fish is it found?

6. What are the energy saving techniques used by the class Chondrichthyes?

7. Describe the different body shapes of fish. Give an example of each.

Body Shape
Description
Drawing
Examples

8. Give the functions for the following fins and write the letter that corresponds to it from the picture on the right:

Marine Science Second Semester Exam Review Revised 04/30/2009 Page 3

_____anal fin

_____caudal fin

_____dorsal fin

_____pectoral fin

_____pelvic fin

Marine Science Second Semester Exam Review Revised 04/30/2009 Page 3

9. Describe adaptations of species found in the class Reptilia, Aves and Mammalia. Give examples.

Class / Reptilia / Aves / Mammalia
Adaptations
Examples

10. Describe adaptations of species found in the following mammalian orders:

Sirenia / Pinnipedia
Cetacea / Carnivora

11. Describe how echolocation works. What benefit does it serve toothed whales?

12. What are the two suborders of whales? Give adaptations for both of them?

Suborder (common name)
Adaptations

Marine Science Second Semester Exam Review Revised 04/30/2009 Page 3