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There are four phyla that belong to the gymnosperm. Describe Phylum Ginkgophyta and explain why and how Ginkgo biloba became the only surviving species. What is the importance of this species to man?

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter14: Diversity Of Plants

Section: Chapter Questions

Problem 9RQ: Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on...

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There are four phyla that belong to the gymnosperm. Describe Phylum Ginkgophyta and explain why and how Ginkgo biloba became the only surviving species. What is the importance of this species to man?

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What are the four modern-day groups of gymnosperms?
Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.
Most extant species of gymnosperms are now considered as "living fossils", why is that so? Give some insights on why gymnosperms were not able to dominate land despite of having seeds.
Describe progymnosperms. What were the significant evolutionary advances that characterized progymnosperms?
Name and briefly describe the four phyla of gymnosperms.
Are gymnosperms heterosporous or homosporous? Explain what this means. What are the evolutionary “advances” represented by the seed?
In the table below, state concisely how gymnosperms are adapted for living on land with respect to each of the following characters: Characteristics Adaptation for living on land 1.alternation of generation 2.needles 3. seeds 4. pollen 5. vascular tissues
Know examples of gymnosperm families that have the following characteristics: A. Only opposite whorled leaves B. Compound leaves C. Fleshy, drupaceous appearing fruits D. Genera that are not evergreen
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Although there are fewer than 1,000 species of gymnosperms,the group is still very successful in terms of its evolutionary longevity,adaptations, and geographic distribution. Explain.
what structure of gymnosperms are homologous to gametophytes of the seedless plants?
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