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Marine Science Final Exam Review Questions with Latest Update
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  • Course
  • Marine Science
  • Institution
  • Marine Science

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 ...

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  • September 22, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • marine science final exam review questions with la
  • to be useful in science a hypothesis must be

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  • Marine Science

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Marine Science Final Exam Review
Questions with Latest Update
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

The _____________ zone is the area of the ocean that sunlight never reaches. -
Answer-Aphotic

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