Exam 28: The Evolution of Seed Plants

A plant that produces seeds in fruits, endosperm in its seeds, and one cotyledon per seedling is most likely a member of the

A fossil seed plant that dates to the earliest time that such plants are known to have existed is most likely a member of the

Which of the following is not an ecological service provided by plants?

Early flowers have individual tepals, carpels that are separate, numerous, and attached at their bases and are

All seed plants are

A function of the pollen tube is to

Refer to the figure. Suppose that a specimen of structure A is given to you as an example of a fruit.Which response would be the most accurate?

Pollen grains develop in the _______ of both gymnosperms and angiosperms.

The reproductive structure of angiosperms, which includes several different organs, is the

An accessory fruit includes not only the ovary but also, most commonly, the area where floral organs attach, or the

A new, non-angiosperm seed plant is found to have modified leaves that evolved convergently with carpels.These modified leaves most likely

You are throwing a disco-themed party and decorate with some small white flowers that have a delicate fragrance.During the party you notice the flowers have a striking pattern when the black light (a source of UV light) is on.Based on these observations, the flowers are most likely

In a plant that produces large quantities of pollen that disperses over very large areas, _______ is/are most likely to transfer its pollen.

A new kind of lemon tree produces megasporangia and microsporangia in separate flowers on the same plant.This plant has _______ flowers and is _______.

Which of the following is not a characteristic of gymnosperm reproduction?

A structure composed of one carpel or two or more fused carpels is called a(n)

In most flowers, the pollen tube grows for the greatest part of its length through the _______ before fertilization can occur.

The ovary of a flowering plant develops into a(n) _______, which consists of the mature ovary and its seeds and may also include other parts of the flower.

One reason for the enormous evolutionary success of seed plants as a group is their possession of

In seed plants, secondary growth derived from the _______ allowed these plants to grow to great heights to compete for sunlight.