A Salmon Migrates from the Ocean to Freshwater Rivers to Spawn

question 49

Multiple Choice

A salmon migrates from the ocean to freshwater rivers to spawn. What is the freshwater environment like for the salmon?

• A) Hypertonic
• B) Hypotonic
• C) Isotonic
• D) Equitonic

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Definitions:

Heuristics

Simple, efficient rules, learned or hard-wired by evolutionary processes, that help in making decisions, forming judgments, or solving problems.

Structural

Pertaining to the physical or logical arrangement of a system's parts.

Preoperational Stage

The second stage in Piaget's theory of cognitive development, typically occurring between ages 2 and 7, characterized by the development of language and the ability to think symbolically, yet struggling with logic or understanding the viewpoint of others.

18 Months

A reference to a specific age or time period, often significant in developmental psychology for milestones in infants.