An Anthropologist Discovers Fossilized Animal Remains That Give Strong Evidence

question 56

Multiple Choice

An anthropologist discovers fossilized animal remains that give strong evidence that the organism had a large, well-formed, most likely 4-chambered heart, with no connection between the right and left sides. Which of the following could most reasonably be hypothesized from this observation?

• A)that the animal and its relatives had evolved from birds
• B)that the animal had a high energy requirement and was endothermic
• C)that the animal was most closely related to reptiles such as alligators and crocodiles
• D)that the animal was a kind of invertebrate
• E)that the species had little to no need to regulate blood pressure

Identify when the average-total-cost curve is at its minimum based on the relationship between average total cost and marginal cost.

Describe the implications of changes in variable and fixed costs on total production cost.

Understand the significance of marginal product in production decisions and its impact on costs.

Explain the relationship between average variable cost, average total cost, and marginal cost.