Exam 28: The Evolution of Seed Plants

Refer to the figure. Label the processes in the life cycle of a pine.In the boxes; indicate the haploid, diploid, sporophyte, and gametophyte generations; and label all of the structures indicated.

All living _______ and many angiosperms show secondary growth.

A student is working with a flowering plant in which nectar is deeply placed in the flowers.When the student discovers the natural pollinator of this plant, it is most likely to have

Which characteristic is not a synapomorphy of the angiosperms?

Which feature is not a characteristic of the angiosperms?

An adaptation of the lodgepole pine is that their cones open only after treatment with _______.

You encounter a bush with what looks like bright red berries.Upon closer inspection you notice that the fleshy tissue is an extension of the seed, a structure called a(n) _______, and the bush likely belongs to the conifer group of gymnosperms.

Coniferous gymnosperms, such as pines, depend primarily on _______ for pollination; thus, the plants produce large quantities of pollen that disperse over large areas during the spring.

Which of the following is not a danger of relying on only a few domesticated plant species for our food supply?

Flower markings that are visible under ultraviolet light and help pollinators locate rewards provided by the flowers are called

Magnolia flowers differ from orchid flowers in that magnolia flowers

Which flower parts frequently attract pollinators?

The primary reason that angiosperms are so prevalent on Earth today is that

In open agricultural areas, rows of trees or shrubs are often planted to act as windbreaks.The roots of these plants reduce _______ by anchoring the soil and preventing wind or water from washing it away.

Certain features of some angiosperm seeds give them a better chance of dispersal in variable environments.These features include all of the following except

The seeds in angiosperms are

Refer to the figure. The clusters of structures shown in the figure are

Which seed plant group always has separate male and female plants?

A newly-discovered seed plant in which the sequence of reproductive structures is sepal, petal, stamen, carpel is a

A scientist discovers a fossil branch having typical conifer leaves and a fruit.What is unusual about this?