Exam 22: The Diversity of Plants

Which of the following is most likely to be successful and thrive in a desert ecosystem?

While walking in a tropical forest, you come upon a 6- meter- tall plant that shows no evidence of seed production. The plant is most likely a(n)

How do humans benefit from growing plants?

The closest living relatives to plants are

-While walking in a forest, you find a plant with what appears to be unfertilized seeds located at the bases of woody scales exposed to the air. Yellow dust- like particles coat the surface of the unfertilized seeds. This plant is probably a(n)

On a trip to the beach, you find a multicellular organism whose cells have chloroplasts and cell walls. Based on this description, you know that the organism could be a brown alga, a red alga, a green alga, or a land plant washed into the ocean. The presence of which of the following would allow you to definitively identify this organism as a plant?

Plants produce _ _ by mitosis and by meiosis.

With regard to reproduction, how do gymnosperms differ from angiosperms?

Taxol and vinblastine are plant- derived medicines used to treat .

In plants, the diploid, multicellular organism is the

Cycads attract pollinators with large, fragrant flowers.

During photosynthesis, plants remove _ _ from and add to the atmosphere.

Explain the evolutionary importance of seeds.

You've stumbled upon a thick mat of moss in the woods. Upon closer inspection, you observe sporophytes emerging from the gametophytes. From your previous biology course, you know that the sporophyte is attached to a(n)

The haploid generation of a plant is called the sporophyte.

Pollen production by the anthers of a flower is characteristic of

Which of the following is technically NOT a fruit?

Club mosses and horsetails have vascular tissue.

Which evolutionary plant innovation eliminated the need for sperm to swim through water in order to fertilize an egg, resulting in plants being truly adapted for reproduction on land?

Angiosperms produce pollen in structures called .