Reference no: EM133491525

Question

1. Which of the following would increase the salinity of seawater?

Proximity to ice as it melts in spring
Proximity to the mouth of a river
Decreases in depth
Increases in evaporation
An increase in rain

2. Which of the following best defines the term osmoconformer?

It's an organism that adjusts to the needs of other social marine organisms
It's an organism that concentrates urea to maintain water balance
It's an organism that only lives in fresh water.
It's an organism whose internal salt concentration varies with that of the environment
It's an organism that concentrates various ions other than salt

3. Which of these correctly expresses the scientific name for the giant oceanic manta ray?

Manta Birostris
Manta birostris
Manta ray
Scientific name: Manta birostris
manta birostris

4. What is the primary reason that a control group is included in all scientific experiments?

To show that the experiment was done correctly
To have more data to collect
To demonstrate that the results are due to the action of only one variable
To test the effect of many variables at once in the experiment
To increase the sample size

5. Which of the following types of molecules typically coats the fur of marine mammals to keep their fur dry?

Carbohydrates
Proteins
Lipids
Hydrogen
Nucleic acids

6. Applying mathematics to determine the significance of data would be used at which stage of the scientific method?

Analyzing the results of the experiment
Performing library research to gain background before running an experiment
Sending results of the experiment to peers for review
Stating an original hypothesis
Making a testable prediction