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Marine Science Final Exam Review Questions and Answers 2024
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Marine Science Final Exam Review Questions and Answers
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Marine Science Final Exam ReviewQuestions and Answers
To be useful in science, a hypothesis must be .... - Answer -Testable
What is meant by a 'controlled' experiment? - Answer -An independent variable is the
only factor allowed to be adjusted, with the dependent variable as the factor that the
independent variable affects.
What is the difference between the control group and the experimental group? - Answer
-Experimental group receives the variable being tested/ one variable at a time. Control
group does not receive the test variable. Experimental groups are used to find answers
in an experiment.
Taxonomists determine into which taxa to classify and organism based on .... - Answer -
Anatomical features
The characteristics found in the members of superclass Crustacea include: - Answer -
*Crabs
*Lobsters
*Shrimp
*Barnacles
*Copepods
Organisms classified as members of phylum Chordata are characterized by having a
_______________ and a _____________ ___________ ________ at some point in
their life cycle. - Answer -Notochord and a dorsal nerve cord
Scientists think that __________ evolved during the Cambrian period, allowing
vertebrates to become very successful predators. - Answer -Jaws
Organisms in class Chondrichthyes include _________ and ______. - Answer -Shark
and ray
Traits that make sharks and rays successful predators include: - Answer -*A light
cartilage skeleton
*Backward-pointing denticles
*Ampullae of Lorenzini
*Lateral lines
, The largest shark is the ____________ ___________, which eats _______________. -
Answer -Whale shark; plankton
Marine reptiles include: - Answer -*Sea snakes
*Saltwater crocodiles
*Seven species of marine turtle
The role birds play in marine ecosystems include: - Answer -*Being predators
*Being prey
*Providing nitrogen compounds to the ocean
In what parts of the world can penguins be found? - Answer -Near the equator, only in
the Southern Hemisphere
Organisms in class Mammalia have characteristics that include: - Answer -*Hair
*Nourishing their young with milk provided by mammary glands
*Being homeothermic
*Almost all give birth to live young
Seals and sea lions belong to order ____________________ but have differences
including that seals _________ _______ __________ and sea lions _________
________ ___________. - Answer -Pinnipedia;lack ear flaps;have ear flaps
The marine mammals in order Sirenia include: - Answer -*Manatees
*Dugongs
Human activities that have endangered or may endanger marine mammals include: -
Answer -*Whaling
*Overfishing
*Tuna fishing
*Fur hunting
Heat is the .... and temperature is .... - Answer -Is the kinetic energy in the random
movement or vibration, of individual atoms and molecules in a substance;measures the
degree of molecular vibration only
Water becomes _______ ___________ as it freezes. This is _____________ most
substances. - Answer -Less dense;unlike
The heat that is lost without a change in temperature when water freezes is called .... -
Answer -Latent heat of fusion
The tendency for water to resist temperature change is called _____________
______________. It is one of the factors in establishing ______________
____________________. - Answer -Thermal inertia;thermal equilibrium
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