Exam 28: Seed Plants

The fourth phylum is a collection of which unusual plants that share certain traits not found in other gymnosperms?

In most developing eudicot seeds, the primary source of nutritive material is in the:

The first plants to produce seeds evolved during which time period?

Which part of a flowering plant is the immature male gametophyte?

Identify and briefly explain three adaptations of flowering plants that contributed to their evolutionary expansion and success.

As a seed develops from an ovule, the ovule wall enlarges and develops into a:

The name conifer comes from the reproductive parts of conifers as they have separate male and female reproductive parts in different locations on the same plant. What is the technical name for the structures bearing these reproductive parts?

Seeds are superior reproductive structures, compared to spores. Describe the advantages of seeds. Briefly describe the connection between human civilization and seeds.

Extracts from the ginkgo tree are sold in over-the-counter (OTC) medicines purported to increase memory. Extracts from what other gymnosperm were once sold in OTC weight loss supplements?

A fruit develops from the ovary wall.

Flowering plants have efficient sugar-conducting cells called _____________ in their phloem.

After fertilization in angiosperms, what does the ovule develop into?

A plant with parallel veins and floral parts in threes or multiples of three would be classified as a:

Each cone scale bears two ovules, or _____________, on its upper surface.

What type of leaf venation do eudicots possess?

Why are seeds reproductively superior to spores?

______________ has been an important medicinal plant for centuries and is still a common herbal remedy today.

A flower that has sepals, petals, and stamens, but lacks carpels, is known as: