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10 LIBRI IN INGLESE ASSOCIATI CON «HETEROSPOROUS»
Scopri l'uso di
heterosporous nella seguente selezione bibliografica. Libri associati con
heterosporous e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Introductory Botany: Plants, People, and the Environment, ...
Selaginella is heterosporous and produces both microspores (which develop into
male gametophytes) and megaspores (which develop into female gametophytes)
. FIGURE 23-16 Resurrection plant. The plant on the left was recently watered, ...
2
The Evolutionary Biology of Plants
In recognition of their relative size, the small spores of heterosporous species are
called microspores and the sperm-bearing gametophytes they develop into are
called microgametophytes. The larger spores produced by heterosporous ...
3
Encyclopaedia of Petroleum Science and Engineering
Spore or Homosporous or Plant Group Pollen Type Heterosporous Bryophyta
Trilete, inaperturate Homosporous Psilophytales Trilete, inaperturate
Homosporous Psilotales Monolete, trilete Homosporous Lycopodiales Trilete
Homosporous ...
4
Competition Science Vision
The plants may be homosporous i.e., produce only one type of spores (e.g.,
Psilotum, Lycopodium, Equisetum, Pteridium, Pteris, etc.) or heterosporous i.e.,
produce two different types of spores smaller microspores and larger
megaspores (e.g. ...
5
Text Book Of Botany Diversity Of Microbes And Cryptogams
Comment upon the statement. 10. Why seed habit developed in Selaginella can
not produce true seeds? Very short answer questions 1. Mention the names of
four heterosporous pteridophytes. 2. Name one homosporous pteridophyte. 3.
6
Green Plants: Their Origin and Diversity
In the primitive heterosporous plants, however, the small female gametophyte
formed on germination of the meg- aspore produces one or a few archegonia in a
very short time. The microspore also develops rapidly, and spermatozoids are ...
Peter R. Bell, Alan R. Hemsley,
2000
7
Plant Genome Diversity Volume 2: Physical Structure, ...
This striking difference between homosporous and heterosporous plants
spawned a number of hypotheses. 15.2 High Chromosome Numbers and
Hypotheses Although Manton's (1950) cytological studies focused attention on
homosporous ...
Ilia J. Leitch, Johann Greilhuber, Jaroslav Dolezel,
2012
8
Plants: Diversity and Evolution
This can be traced from homosporous to strongly heterosporous forms in the
calamites (fossil relatives of Equisetum). For example, Calamostachys binneyana
is apparently homosporous, although this fossil may be the microsporangiate
cone ...
Martin Ingrouille, Bill Eddie,
2006
Some homosporous; others heterosporous. Motile sperm. About 1200 species.
Phylum Coniferophyta Conifers Heterosporous vascular plants with woody
tissues (trees and shrubs) and needle-shaped or scalelike leaves. Most are
evergreen.
Eldra Solomon, Charles Martin, Diana Martin,
2014
10
The Handy Biology Answer Book
... homosporous Club mosses or heterosporous Arthrophyta 15 Vascular,
homosporous Horsetails Pterophyta 12,000 Vascular, homosporous Ferns
Cycadophyta 100 Vascular, heterosporous, Cycads (commonly seed-forming
known as “sago ...