Fossil Evidence Places the Origin of Angiosperms in the Early

question 58

Multiple Choice

Fossil evidence places the origin of angiosperms in the early Cretaceous period,at least 130 million years ago.By 100 million years ago,all of today's major lineages of angiosperms had evolved.Angiosperms make up 95% of all modern plant species.Which of the following may help explain the rapid success of angiosperms?

• A)use of the wind to disperse pollen and seeds
• B)use of flowers and fruits to protect and disperse both pollen and seeds
• C)use of the wind to disperse spores
• D)use of water to disperse pollen and seeds
• E)All answers are correct.

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Definitions:

Complementary Goods

Goods that are typically consumed together, such that the demand for one increases when the price of the other decreases.

Substitute Goods

Goods that can be used in place of each other, where an increase in the price of one leads to an increase in demand for the other.

Independent Goods

Products or services whose demand is not directly related to the demand for other goods; their consumption or purchase does not affect the consumption or purchase of other products.

Quantity Supplied

The amount of a good that producers are willing to sell at a given price over a specified period.