Cycads in South African park. Cycads are dioecious: this female plant has ovulate scales ... Cycad leaf leaflets unfurling like fern fronds (circinate vernation) ...
Modification to process: a ovule is formed that becomes the seed. ... slender branch, ovule plants to Carboniferous plants that look like tree ferns. ...
Plant Diversity II Level 1 Biological Diversity Jim Provan Campbell: Chapter 30 Reproductive adaptations of seed plants Three life cycle modifications led to the ...
The Early Paleozoic Era Geology 103 Precambrian Washington doesn t exist In fact, you d have to go to the Idaho-Montana border to see rocks of Precambrian age ...
First cycad fossils from late ... Dioecious, both types of strobili large. Several features may be ancestral ... First unequivocal fossils date from Lower ...
Tracheophyte Evolution Origin Big split between Lycophyte lineage and Euphyllophytes Euphyllophytes have megaphylls, pseudomonopodial growth Next Big Split ...
The Plant Kingdom: Gymnosperms Chapter 24 LEARNING OBJECTIVE 1 Compare the features of seeds with those of spores Discuss the adaptive advantages of plants that ...
Plant Diversity II: The Evolution of Seed Plants Chapter 30 Advantages of Seed Production Seed production enabled plants to become the dominant producers in most ...
Fruits help disperse the seeds of angiosperms. Fruits are ripened ovaries that protect dormant seed and ... Modifications of fruits that aid dispersal include: ...
IV. The Domain Eukarya D. Plants: 4. Non-tracheophytes 5. Tracheophytes b. Groups i. Lycopodiophytes http://universe-review.ca/R10-23-plants.htm http://mediatheek ...
are evidence of one of the earliest four-legged animals on land. Photo courtesy of Ken Higgs, U. ... and larval stages. The evolutionary pathway to vertebrates ...
chemical origin of life. archaebacteria. arthropods. annelids ... Paramecium. Plasmodium falciparum. life cycle. Sporozoans. Sporozoans. Dinoflagellates ...
See Pic Next Slide. Cont... transition from hunter-gather societies ... Agriculture allowed us to stay in one place and move from a hunter-gather society ...
All green plants arose from a single species of freshwater algae ... Volvox -Colonial chlorophyte -Hollow sphere of a single layer of 500-60,000 cells ...
Coevolution is often seen in a number of species of flowering plants that ... in their gardens are designed for a bumblebee of just the right weight to trip ...
Dominated forest landscapes of Carboniferous period. 360 - 290 million years ago ... Seedless vascular plants were widespread during the Carboniferous period ...
Most gymnosperms are woody trees with extensive secondary growth from ... Cone = cluster of bracteate branch-derived woody scales. Fig. 24-7, p. 432. resin duct ...
Geological Range of Plants Archaeopteris fossil plant- Sphenophyta Progymnosperm Devonian through Mississippian Archeapteris stump Calamites - plant Geological range ...
B) All these algae evolved from fungi, which were progenitors to ... ( p. 587) A) Antheridium B) Archegonium C) Sporophyte D) Gametophyte E) Spores. Question 14 ...