Most Conifers Have Only Tracheids

question 29

Multiple Choice

Most conifers have only tracheids. Which structural feature allows water and minerals to pass from one tracheid to the next?

• A) Sieve plates
• B) Secondary cell walls
• C) Stomata
• D) Plasmodesmata
• E) Pits

---

Definitions:

Downward-sloping

A description of a line or curve on a graph that represents a decrease in one variable in response to an increase in another variable, commonly used to describe demand curves in economics.

Demand Curve

A visual chart demonstrating the link between an item's price and the amount consumers are willing to buy at those prices.

Purely Competitive Industry

A market structure characterized by many sellers offering identical products, where no single seller can influence the market price.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good that consumers are willing to purchase at different prices.