Which Feature Possessed by Most Land Plants Is Missing in Mosses

question 39

Multiple Choice

Which feature possessed by most land plants is missing in mosses, which grow low to the ground in damp, shaded areas?

• A) cell walls, so they cannot stand upright
• B) a protected zygote, so they must grow in damp areas to supply the zygote with moisture
• C) vascular tissue, so they must grow along the ground in damp areas to supply water to the cells
• D) chlorophyll b, so they can only use filtered light for photosynthesis
• E) starch production, so they only produce small amounts of glucose, since any beyond what they use immediately cannot be stored.

Comprehend that cost estimating can be adjusted based on project complexity.

Acknowledge the need to review the estimating method when estimates are rarely exceeded.

Understand that an activity can have costs from multiple vendors.

Grasp the differences in estimating methods across project phases.

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Definitions:

Long Run

A period in which all factors of production and costs are variable, allowing for adjustment to changes.

Fixed

In economics, pertains to costs that do not change with the level of output or production, such as rent, salaries, and insurance.

Variable

A quantity that can take on more than one value.

Short-Run Average Total Cost Curve

A graphical representation that shows the average total cost of producing different levels of output in the short run, when at least one input is fixed.