Salmon Eggs Hatch in Freshwater

question 11

Multiple Choice

Salmon eggs hatch in freshwater. The fish then migrate to the ocean a hypertonic solution) and, after several years of feeding and growing, return to freshwater to breed. How can these organisms make the transition from freshwater to ocean water and back to freshwater?

• A) Salmon surface to breathe oxygen, so there is no need for more than one mechanism of osmoregulation.
• B) Different gill cells are involved in osmoregulation in freshwater than in salt water.
• C) Their metabolism changes in salt water to degrade electrolytes.
• D) The rectal gland functions in the ocean water, and chloride cells function in freshwater.

Understand and apply the concept of hypothesis testing in different scenarios.

Compute the mean and standard deviation for a given sample.

Determine the standard error of the mean and the standard error of proportion.

Calculate the test statistic for various types of hypothesis tests.

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Definitions:

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A neurological disorder that affects an individual's ability to interpret what they see and hear or to link information from different parts of the brain.

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The behavioral strategy and attitude applied by parents in raising their children, affecting their psychological and social development.

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Children who perform significantly above their peers in various fields such as academic, athletic, or in the arts.

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Referring to a commanding and self-confident force that is likely to be respected or obeyed.