Biology Notes 2-6-08

Biology Notes 2-6-08 - haploid phase is the large, familiar...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Biology Notes February 6, 2008 Mosses and Ferns -example of non-seed plant reproduction Alternation of Generations: Homospory: 1 spore (Moss, Ferns) Heterospory: 2 spores (megaspore and microspore)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Biology Notes February 6, 2008 Vocabulary: Alternation of Generations - In plants, the alternation involves alternating generations of haploid and diploid organisms. Often one of these generations is the dominant form of the organism, and the other generation is nutritionally dependent upon it or just grows as a smaller plant. For example, in mosses and liverworts, the
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: haploid phase is the large, familiar form of the plant. The diploid phase is smaller and grows upon the haploid phase. In angiosperms, however, the diploid phase of the organism is large and independent, while the haploid phase is reduced to the pollen grain and the eight-celled female gametophyte located in the ovule. Homospory - the production of a single kind of spore, neither microspore nor megaspore. Heterospory Producing two types of spores differing in size and sex....
View Full Document

Page1 / 2

Biology Notes 2-6-08 - haploid phase is the large, familiar...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online