What Is True of the Phylogenetic Tree in the Figure

question 38

Multiple Choice

What is true of the phylogenetic tree in the figure?
1) It depicts uncertainty about whether the bryophytes or the vascular plants evolved first.
2) It is hypothetical.
3) It shows that ferns are the closest living relatives to the seed plants.
4) It indicates that seeds are a shared ancestral character of all vascular plants.

• A) 1 only
• B) 2 only
• C) 3 and 4 only
• D) 1 and 3 only

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Definitions:

Marginal Cost

The cost associated with producing an additional unit, emphasizing its role in decision-making.

Total Fixed Costs

The aggregate of all charges that stay fixed no matter the production level or output.

Average Total Cost

The total cost of producing a given output level divided by the quantity of output, including both fixed and variable costs.

Basketballs

Spherical balls used in the game of basketball, designed to bounce when thrown or dribbled on the court.