EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 28.2, Problem 3R
Summary Introduction
To review:
The function of fleshy cones that surrounds the seeds of gymnosperm plants.
Introduction:
Gymnosperms are the group of plants, which do not produce any fruit of flower. They are mainly divided into four groups. The conifers are found in abundant quantity. They have seed-bearing cones, which contain the male and female reproductive structures in conifers. These plants involve cycads, Ginkgo, conifers, and gnetophytes.
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- What are the five key differences between angiosperms and gymnosperms?arrow_forwardThe seed that develop post-fertilisation are not covered in gymnosperms why?arrow_forwardAre gymnosperms heterosporous or homosporous? Explain what this means. What are the evolutionary "advances" represented by the seed?arrow_forward
- How does moisture and the presence or absence of light affect seed germination?arrow_forwardThe embryo of monocotyledonous seed consists of one large, shield shaped cotyledon. What is it known as?arrow_forwardWhat is the mechanism of pollination in gymnosperms and how the size and presence of wings on each grain help affect pollination. Which structures are haploid and which are diploid? Are pollen grains the same as spores? Why would anybody care about the structures of conifer pollenarrow_forward
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