One Ecologist Is Studying the Genetic Changes in a Fish

question 61

Multiple Choice

One ecologist is studying the genetic changes in a fish species in Africa over several decades, monitoring several populations of the species in different lakes. A second ecologist is studying changes in the same fish species throughout history, relying not only on present-day data, but on information from fossils, preserved specimens, and DNA changes over time. Both scientists are interested in how this species fits into its environment and how it's changed as its environment has changed. What is the difference in the approach of these two scientists?

• A) Both are studying fish evolution, but they are using different temporal scales.
• B) Both are studying fish evolution, but they are using different spatial scales.
• C) The first scientist is studying ecology; the second is studying evolution.
• D) The first scientist is studying evolution; the second is studying ecology.

Comprehend the concept of habituation and how it differs from sensitization.

Explain the process and significance of observational learning.

Understand the motivational aspect of learning, specifically the impact of self-efficacy.

Comprehend the principle of latent learning and cognitive maps in navigating new environments.

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Definitions:

Average Variable Cost

The total variable cost divided by the quantity of output produced; it represents the variable cost per unit of output.

Marginal Revenue

The additional income earned from selling one more unit of a good or service, a key factor in decision-making for producing additional units.

Marginal Revenue

The extra revenue earned by selling an additional unit of a product or service.

Price-taker Model

An economic model describing a company or entity that must accept the prevailing prices in the market of its products because it does not have the market power to change them.